Page: 2 of 5
Section: 6 of 23 2248 Listings
Sections: | 6 Cr-Du | | 7 Du-Fl | | 8 Fl-Gr | | 9 Gr-Hi | | 10 Hi-Is |
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Crooked Gulch | Mendocino | valley | 395701N | 1231612W | - | Mina |
| Cross-P Ranch (historical) | Mendocino | locale | 395646N | 1233157W | - | Bell Springs |
| Crowley | Mendocino | pop place | 392433N | 1232528W | 1350 | Burbeck |
| Cruso Cabin Creek | Mendocino | stream | 395610N | 1233707W | - | Bell Springs |
| Crystal Peak | Mendocino | summit | 385041N | 1231143W | 1800 | Big Foot Mountain |
| Cub Creek | Mendocino | stream | 395516N | 1234742W | - | Piercy |
| Cubbler Place | Mendocino | pop place | 394510N | 1230855W | 1600 | Covelo East |
| Cuffees Cove | Mendocino | bay | 390828N | 1234348W | - | Elk |
| Cuffey Cove | Mendocino | bay | 390828N | 1234348W | - | Elk |
| Cuffey Inlet | Mendocino | bay | 390830N | 1234401W | - | Elk |
| Cuffeys Cove | Mendocino | bay | 390828N | 1234348W | - | Elk |
| Cuffeys Inlet | Mendocino | bay | 390830N | 1234401W | - | Elk |
| Cuffeys Point | Mendocino | cape | 390830N | 1234405W | - | Elk |
| Cuffy Cove | Mendocino | bay | 390828N | 1234348W | - | Elk |
| Cummings | Mendocino | pop place | 395000N | 1233751W | 1320 | Leggett |
| Cummings Creek | Mendocino | stream | 394938N | 1233412W | - | Tan Oak Park |
| Cummiskey (historical) | Mendocino | pop place | n/a | n/a | - | n/a |
| Cummiskey Creek | Mendocino | stream | 385259N | 1230317W | - | Hopland |
| Cummisky Creek | Mendocino | stream | 385259N | 1230317W | - | Hopland |
| Curly Cow Creek | Mendocino | stream | 393052N | 1232601W | - | Longvale |
| Cushman Camp | Mendocino | locale | 393725N | 1225853W | - | Hull Mountain |
| Cushman Lake | Mendocino | lake | 393700N | 1225722W | - | Hull Mountain |
| Dago Creek | Mendocino | stream | 390235N | 1232852W | - | Philo |
| Dan Valley | Mendocino | flat | 395031N | 1234144W | - | Leggett |
| Dann Valley | Mendocino | flat | 395031N | 1234144W | - | Leggett |
| Dapishul (historical) | Mendocino | pop place | n/a | n/a | - | Redwood Valley |
| Dark Canyon | Mendocino | valley | 394341N | 1233939W | - | Lincoln Ridge |
| Dark Gulch | Mendocino | valley | 391424N | 1234621W | - | Albion |
| Dark Gulch | Mendocino | valley | 391450N | 1232451W | - | Bailey Ridge |
| Dark Gulch | Mendocino | valley | 395053N | 1235301W | - | Mistake Point |
| Davis Creek | Mendocino | stream | 392627N | 1232015W | - | Willits |
| Davis Ranch | Mendocino | locale | 385328N | 1225920W | - | Highland Springs |
| Davis Salt Ground | Mendocino | flat | 395147N | 1231957W | - | Covelo West |
| Dawes | Mendocino | pop place | 385657N | 1230502W | 500 | Hopland |
| DeCamp | Mendocino | pop place | 392625N | 1232118W | 1340 | Willits |
| DeHaven | Mendocino | pop place | 393937N | 1234702W | 40 | Westport |
| DeHaven Creek | Mendocino | stream | 393933N | 1234704W | - | Westport |
| DeVilbiss Ranch | Mendocino | locale | 394620N | 1234947W | - | Hales Grove |
| Dead Cow Lake | Mendocino | lake | 393840N | 1231829W | - | Dos Rios |
| Dead Horse Canyon | Mendocino | valley | 392239N | 1231403W | - | Foster Mountain |
| Dead Horse Gulch | Mendocino | valley | 390917N | 1233634W | - | Navarro |
| Dead Mans Flat | Mendocino | flat | 392904N | 1230400W | 5242 | Van Arsdale Reservoir |
| Deadman Gulch | Mendocino | valley | 391441N | 1234329W | - | Elk |
| Deadmans Flat | Mendocino | flat | 392900N | 1230424W | - | Van Arsdale Reservoir |
| Deadmans Flat | Mendocino | flat | 392904N | 1230400W | 5242 | Van Arsdale Reservoir |
| Dean Creek | Mendocino | stream | 394140N | 1232133W | - | Dos Rios |
| Deep Hole Creek | Mendocino | stream | 393715N | 1230622W | - | Sanhedrin Mountain |
| Deep Hole Valley | Mendocino | basin | 393536N | 1230829W | - | Brushy Mountain |
| Deer Creek | Mendocino | stream | 391053N | 1233232W | - | Navarro |
| Deer Creek | Mendocino | stream | 394233N | 1233903W | - | Lincoln Ridge |
| Deer Lick Creek | Mendocino | stream | 395816N | 1230241W | - | Leech Lake Mountain |
| Deer Lodge | Mendocino | locale | 394437N | 1232223W | - | Dos Rios |
| Delmonico Place | Mendocino | pop place | 395832N | 1231902W | 2400 | Mina |
| Depot Creek | Mendocino | stream | 393715N | 1230622W | - | Sanhedrin Mountain |
| Devils Basin | Mendocino | basin | 391013N | 1234438W | - | Elk |
| Devils Den | Mendocino | flat | 395355N | 1230148W | - | Leech Lake Mountain |
| Devils Nest | Mendocino | flat | 391413N | 1233251W | - | Navarro |
| Devils Rock Garden | Mendocino | ridge | 393516N | 1225805W | - | Hull Mountain |
| Devils Slide | Mendocino | slope | 385900N | 1232808W | - | Zeni Ridge |
| Dewarren Creek | Mendocino | stream | 392836N | 1233313W | - | Northspur |
| Dewell Garden | Mendocino | flat | 395624N | 1230235W | - | Leech Lake Mountain |
| Dewell Lake | Mendocino | lake | 395742N | 1230253W | - | Leech Lake Mountain |
| Diamond D Ranch | Mendocino | locale | 385207N | 1231320W | 1040 | Big Foot Mountain |
| Dicks Butte | Mendocino | summit | 393710N | 1225611W | 6280 | Hull Mountain |
| Dicks Butte | Mendocino | summit | 393738N | 1225645W | 3201 | Plaskett Ridge |
| Dietz Gulch | Mendocino | valley | 391755N | 1233214W | - | Comptche |
| Digger Creek | Mendocino | stream | 392432N | 1234852W | - | Fort Bragg |
| Digger Creek | Mendocino | stream | 392734N | 1231604W | - | Willits |
| Diggins Creek | Mendocino | stream | 395722N | 1232010W | - | Mina |
| Dimmick Memorial Grove State Park | Mendocino | park | 390930N | 1233811W | - | Elk |
| Dingman Creek | Mendocino | stream | 394251N | 1225550W | - | Plaskett Ridge |
| Dingman Ridge | Mendocino | ridge | 394251N | 1225725W | - | Plaskett Ridge |
| Dingman Ridge | Mendocino | ridge | 394615N | 1231032W | - | Covelo East |
| Division Creek | Mendocino | stream | 394015N | 1232036W | - | Dos Rios |
| Doan Creek | Mendocino | stream | 394757N | 1231717W | - | Covelo West |
| Doan Ridge | Mendocino | ridge | 394400N | 1225927W | - | Plaskett Ridge |
| Docker Hill | Mendocino | summit | 391734N | 1233449W | 1080 | Comptche |
| Doctor Huntley Ranch | Mendocino | locale | 385725N | 1233852W | - | Point Arena |
| Doctors Creek | Mendocino | stream | 394552N | 1234259W | - | Leggett |
| Dodge Gulch | Mendocino | valley | 394413N | 1234910W | - | Westport |
| Doe Canyon | Mendocino | valley | 394356N | 1230747W | - | Jamison Ridge |
| Doe Rock | Mendocino | summit | 385331N | 1225808W | 2086 | Highland Springs |
| Doghouse Creek | Mendocino | stream | 394219N | 1231941W | - | Dos Rios |
| Dolphin Cove | Mendocino | bay | 392550N | 1234738W | 118 | Fort Bragg |
| Donahue Ranch | Mendocino | locale | 390805N | 1234245W | - | Elk |
| Donelly Creek | Mendocino | stream | 390053N | 1232204W | - | Boonville |
| Donnelly Gulch | Mendocino | valley | 391212N | 1234003W | - | Elk |
| Doolan Creek | Mendocino | stream | 390808N | 1231109W | - | Ukiah |
| Dooley Creek | Mendocino | stream | 385824N | 1230626W | - | Hopland |
| Doolin Creek | Mendocino | stream | 390808N | 1231109W | - | Ukiah |
| Dora Creek | Mendocino | stream | 395357N | 1234503W | - | Piercy |
| Dos Rios | Mendocino | pop place | 394301N | 1232108W | 926 | Dos Rios |
| Doty Creek | Mendocino | stream | 384914N | 1233157W | - | Gualala |
| Double Cone Rock | Mendocino | island | 394630N | 1235021W | - | Hales Grove |
| Double Rock | Mendocino | island | 395630N | 1235804W | - | Bear Harbor |
| Dougherty Creek | Mendocino | stream | 391343N | 1232745W | - | Bailey Ridge |
| Doyle Creek | Mendocino | stream | 392138N | 1234908W | - | Mendocino |
| Drewry Creek | Mendocino | stream | 395934N | 1233525W | - | Bell Springs |
| Drewry Ranch | Mendocino | locale | 395921N | 1233638W | 1900 | Bell Springs |
| Dry Bridge Mountain | Mendocino | summit | 385858N | 1232726W | 1920 | Zeni Ridge |
| Dry Creek | Mendocino | stream | 384854N | 1232827W | - | McGuire Ridge |
| Dry Creek | Mendocino | stream | 383510N | 1225122W | - | Heraldsburg |
| Dry Dock Gulch | Mendocino | valley | 391802N | 1234340W | - | Mathison Peak |
| Duck Pond Gulch | Mendocino | valley | 391446N | 1234253W | - | Elk |
| Duffy Gulch | Mendocino | valley | 392608N | 1233523W | - | Northspur |
| Duffys Gulch | Mendocino | valley | 395430N | 1235540W | - | Bear Harbor |
| Duffys Reef | Mendocino | bar | 395420N | 1235540W | - | Bear Harbor |
| Dugans Opening | Mendocino | flat | 395250N | 1234846W | - | Piercy |
| Dunbar Ranch | Mendocino | locale | 385345N | 1233548W | - | Eureka Hill |
| Duncan Creek | Mendocino | stream | 385817N | 1230821W | - | Yorkville |
Section: 7 of 23
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Duncan Peak | Mendocino | summit | 385648N | 1230816W | 2638 | Yorkville |
| Duncan Springs | Mendocino | pop place | 385708N | 1230725W | 760 | Hopland |
| Duncans Peak | Mendocino | summit | 385648N | 1230816W | 2638 | Yorkville |
| Dunlap (historical) | Mendocino | pop place | 392105N | 1233305W | 340 | Comptche |
| Dunlap Pass | Mendocino | gap | 392054N | 1233411W | - | Comptche |
| Dunlap Place | Mendocino | pop place | 395114N | 1232551W | 890 | Iron Peak |
| Dunn Creek | Mendocino | stream | 394734N | 1234854W | - | Hales Grove |
| Dutch Charlie Creek | Mendocino | stream | 394126N | 1233927W | - | Lincoln Ridge |
| Dutch Henry Creek | Mendocino | stream | 391146N | 1233323W | - | Navarro |
| Dutch Henry Creek | Mendocino | stream | 392646N | 1232334W | - | Burbeck |
| Dutch Henry Creek | Mendocino | stream | 393352N | 1232601W | - | Longvale |
| Dutchmans Flat | Mendocino | flat | 394853N | 1234704W | - | Hales Grove |
| Dutchmans Knoll | Mendocino | summit | 393056N | 1233809W | 1680 | Dutchmans Knoll |
| Dutty Gulch | Mendocino | valley | 392608N | 1233523W | - | Northspur |
| Eagle Creek | Mendocino | stream | 394114N | 1234119W | - | Lincoln Ridge |
| Eagle Peak | Mendocino | summit | 391646N | 1231954W | 2699 | Laughlin Range |
| Eagle Rock | Mendocino | summit | 390941N | 1231751W | 2488 | Orrs Springs |
| Eagle Rock Ranch | Mendocino | locale | 391000N | 1231617W | - | Orrs Springs |
| Eaglepoint Ranch | Mendocino | locale | 390630N | 1230715W | - | Purdys Gardens |
| East Branch Little North Fork | Mendocino | stream | 392034N | 1234018W | - | Mathison Peak |
| East Branch North Fork Big River | Mendocino | stream | 391912N | 1233317W | - | Comptche |
| East Branch North Fork Jackass Creek | Mendocino | stream | 395345N | 1235444W | - | Bear Harbor |
| East Branch South Fork Eel River | Mendocino | stream | 400404N | 1234723W | - | Garberville |
| East End | Mendocino | flat | 385533N | 1232453W | - | Zeni Ridge |
| East End Creek | Mendocino | stream | 385443N | 1232434W | - | Zeni Ridge |
| East Fork Asbill Creek | Mendocino | stream | 395531N | 1232137W | - | Mina |
| East Fork Russian River | Mendocino | stream | 391124N | 1231158W | - | Ukiah |
| East Hopeland (historical) | Mendocino | pop place | n/a | n/a | - | n/a |
| Eastman Creek | Mendocino | stream | 394227N | 1231958W | - | Dos Rios |
| Eberle Flat | Mendocino | flat | 395145N | 1231617W | - | Covelo West |
| Eberle Ridge | Mendocino | ridge | 394637N | 1232130W | 3245 | Covelo West |
| Eberly Flat | Mendocino | flat | 395145N | 1231617W | - | Covelo West |
| Eberly Ridge | Mendocino | ridge | 394637N | 1232130W | 3245 | Covelo West |
| Echo Ranch | Mendocino | locale | 385137N | 1230239W | - | Cloverdale |
| Eden Creek | Mendocino | stream | 393925N | 1230726W | - | Thatcher Ridge |
| Eden Valley | Mendocino | valley | 393818N | 1231115W | - | Jamison Ridge |
| Eden Valley Ranch | Mendocino | locale | 393759N | 1231125W | - | Jamison Ridge |
| Edison Ranch (historical) | Mendocino | locale | 391632N | 1234103W | - | Mathison Peak |
| Edwards Creek | Mendocino | stream | 385151N | 1230226W | - | Cloverdale |
| Eel River Campground | Mendocino | locale | 394928N | 1230504W | 1500 | Newhouse Ridge |
| Eel River Ranger Station | Mendocino | locale | 394933N | 1230457W | - | Newhouse Ridge |
| Eel River Recreation Site | Mendocino | locale | 394928N | 1230504W | 1500 | Newhouse Ridge |
| Eel River Station | Mendocino | locale | 394933N | 1230457W | - | Newhouse Ridge |
| El Roble | Mendocino | pop place | 390523N | 1231047W | 560 | Elledge Peak |
| El Robles Ranch | Mendocino | locale | 390517N | 1231048W | - | Elledge Peak |
| Elder Creek | Mendocino | stream | 394347N | 1233850W | - | Lincoln Ridge |
| Eldridge Creek (historical) | Mendocino | stream | 391539N | 1231552W | - | Laughlin Range |
| Eldridges Creek (historical) | Mendocino | stream | 391539N | 1231552W | - | Laughlin Range |
| Elk | Mendocino | pop place | 390749N | 1234300W | 140 | Elk |
| Elk Creek | Mendocino | stream | 390608N | 1234223W | - | Mallo Pass Creek |
| Elk Creek | Mendocino | stream | 392846N | 1231807W | - | Willits |
| Elk Creek | Mendocino | stream | 392914N | 1231838W | - | Willits |
| Elk Creek | Mendocino | stream | 394035N | 1230758W | - | Jamison Ridge |
| Elk Creek | Mendocino | stream | 394936N | 1233529W | - | Tan Oak Park |
| Elk Prairie | Mendocino | flat | 384735N | 1233014W | - | Gualala |
| Elk Range | Mendocino | ridge | 385039N | 1230950W | - | Big Foot Mountain |
| Elk River | Mendocino | pop place | 390749N | 1234300W | 140 | Elk |
| Elk Rock | Mendocino | island | 390633N | 1234252W | 22 | Mallo Pass Creek |
| Elkhorn Creek | Mendocino | stream | 385144N | 1231427W | 1045 | Big Foot Mountain |
| Elkhorn Creek | Mendocino | stream | 385333N | 1231206W | - | Yorkville |
| Elkhorn Creek | Mendocino | stream | 395546N | 1233730W | - | Bell Springs |
| Elkhorn Gulch | Mendocino | valley | 390951N | 1233107W | - | Navarro |
| Elkhorn Ridge | Mendocino | ridge | 394648N | 1234021W | - | Leggett |
| Elkins Creek | Mendocino | stream | 385548N | 1231813W | - | Ornbaun Valley |
| Elledge Peak | Mendocino | summit | 390231N | 1231344W | 2765 | Elledge Peak |
| Ellis Creek | Mendocino | stream | 393714N | 1230621W | - | Sanhedrin Mountain |
| Ells Field | Mendocino | airport | 392703N | 1232212W | 2054 | Willits |
| Emandal Resort | Mendocino | locale | 392936N | 1231051W | - | Foster Mountain |
| Empire (historical) | Mendocino | pop place | 394934N | 1233535W | 1320 | Tan Oak Park |
| Empire Roadside Rest | Mendocino | park | 394937N | 1233535W | - | Tan Oak Park |
| English Ridge | Mendocino | ridge | 393250N | 1231403W | - | Brushy Mountain |
| Espee Ridge | Mendocino | ridge | 395210N | 1225819W | - | Mendocino Pass |
| Etsel Crossing | Mendocino | crossing | 394708N | 1230929W | - | Covelo East |
| Etsel Flat | Mendocino | flat | 394700N | 1230924W | - | Covelo East |
| Etsel Ridge | Mendocino | ridge | 394348N | 1230141W | - | Thatcher Ridge |
| Eureka Hill | Mendocino | summit | 385428N | 1233243W | 2360 | Eureka Hill |
| Evangelical Free Church (historical) | Mendocino | church | 390905N | 1231238W | - | Ukiah |
| Evergreen Cemetery | Mendocino | cemetery | 390131N | 1232250W | - | Philo |
| Evergreen Cemetery | Mendocino | cemetery | 391824N | 1234740W | - | Mendocino |
| Everson Ranch | Mendocino | locale | 385014N | 1233524W | - | Gualala |
| Fair Hills Ranch | Mendocino | locale | 390701N | 1233107W | - | Cold Spring |
| Fair Oaks | Mendocino | pop place | 392243N | 1232025W | 1440 | Willits |
| Farley | Mendocino | pop place | 393653N | 1232158W | 1067 | Willis Ridge |
| Farley Lake | Mendocino | lake | 393852N | 1232436W | - | Laytonville |
| Farley Peak | Mendocino | summit | 393910N | 1232455W | 3500 | Laytonville |
| Fashauer Ranch | Mendocino | locale | 390729N | 1233700W | - | Cold Spring |
| Faulkner County Park | Mendocino | park | 390018N | 1232413W | - | Philo |
| Fawn Lily Trail | Mendocino | trail | 392713N | 1232330W | - | Burbeck |
| Feliz Creek | Mendocino | stream | 385754N | 1230620W | - | Hopland |
| Ferguson Gulch | Mendocino | valley | 384812N | 1233451W | - | Gualala |
| Fern Canyon | Mendocino | valley | 391630N | 1234715W | - | Mendocino |
| Fife Ranch | Mendocino | locale | 392327N | 1231820W | - | Willits |
| Finney Valley | Mendocino | basin | 392505N | 1231633W | - | Willits |
| Fish Creek | Mendocino | stream | 393323N | 1231702W | - | Willis Ridge |
| Fish Rock | Mendocino | pop place | 384818N | 1233503W | 200 | Gualala |
| Fish Rock Beach | Mendocino | beach | 384812N | 1233451W | - | Gualala |
| Fish Rock Gulch | Mendocino | valley | 384811N | 1233444W | - | Gualala |
| Fish Rocks | Mendocino | island | 384800N | 1233533W | - | Gualala |
| Fisher Creek | Mendocino | stream | 391938N | 1231315W | - | Redwood Valley |
| Fisher Ridge | Mendocino | ridge | 385027N | 1232734W | - | McGuire Ridge |
| Fishtown Creek | Mendocino | stream | 395512N | 1230028W | - | Leech Lake Mountain |
| Flat Rock Creek | Mendocino | stream | 395539N | 1235723W | - | Bear Harbor |
| Fleming Creek | Mendocino | stream | 385019N | 1233248W | - | Gualala |
| Fleming Ridge | Mendocino | ridge | 385051N | 1233138W | - | Gualala |
| Floodgate Creek | Mendocino | stream | 390715N | 1233246W | - | Cold Spring |
| Flume Gulch | Mendocino | valley | 391025N | 1234037W | - | Elk |
| Flumeville | Mendocino | pop place | 385546N | 1234231W | 174 | Point Arena |
| Fly Creek | Mendocino | stream | 395349N | 1230105W | - | Leech Lake Mountain |
| Flynn Creek | Mendocino | stream | 390942N | 1233456W | - | Navarro |
Section: 8 of 23
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Flynn Hills | Mendocino | range | 391040N | 1233143W | - | Navarro |
| Flynn Hills Opening | Mendocino | gap | 391013N | 1233236W | - | Navarro |
| Folsom Ranch | Mendocino | locale | 392756N | 1231404W | 2000 | Foster Mountain |
| Ford House Museum (1854) | Mendocino | building | 391817N | 1234756W | - | Mendocino |
| Ford Ranch | Mendocino | locale | 392613N | 1231647W | - | Willits |
| Fordice Ranch | Mendocino | locale | 392224N | 1232521W | - | Greenough Ridge |
| Fords Ranch | Mendocino | locale | 391815N | 1231227W | - | Redwood Valley |
| Forks Camp (historical) | Mendocino | locale | 393219N | 1230418W | - | Sanhedrin Mountain |
| Forsythe Creek | Mendocino | stream | 391453N | 1231217W | - | Ukiah |
| Fort Bragg | Mendocino | pop place | 392645N | 1234815W | 100 | Fort Bragg |
| Fort Bragg Airport | Mendocino | airport | 392827N | 1234744W | 71 | Fort Bragg |
| Fort Bragg Landing | Mendocino | locale | 392626N | 1234848W | - | Fort Bragg |
| Fort Bragg Post Office (Est. Feb 15, 1858) | Mendocino | post office | 392640N | 1234807W | - | Fort Bragg |
| Forty-Acre Opening | Mendocino | flat | 391112N | 1230504W | - | Cow Mountain |
| Fossil Creek | Mendocino | stream | 395711N | 1230145W | - | Leech Lake Mountain |
| Foster Creek | Mendocino | stream | 394952N | 1233647W | Tan Oak Park | |
| Foster Creek | Mendocino | stream | 395521N | 1233733W | - | Noble Butte |
| Foster Mountain | Mendocino | summit | 392626N | 1231030W | 3104 | Foster Mountain |
| Foster Ranch | Mendocino | locale | 395655N | 1230042W | - | Leech Lake Mountain |
| Fountain Ranch | Mendocino | locale | 385615N | 1230458W | - | Hopland |
| Four Corners | Mendocino | locale | 395823N | 1235753W | - | Bear Harbor |
| Fox Creek | Mendocino | stream | 394425N | 1233751W | - | Lincoln Ridge |
| Fox Gulch | Mendocino | valley | 384949N | 1233651W | - | Gualala |
| Fox Peak | Mendocino | summit | 393018N | 1231537W | 2941 | Willis Ridge |
| Fox Ranch | Mendocino | locale | 385503N | 1230320W | - | Hopland |
| Frank and Bess Smithe Redwood Grove | Mendocino | woods | 395352N | 1234500W | - | Noble Butte |
| Franks Canyon | Mendocino | valley | 384920N | 1231010W | - | Big Foot Mountain |
| Frasier Creek | Mendocino | stream | 384942N | 1225437W | - | Asti |
| Frasier Ranch | Mendocino | locale | 391408N | 1234442W | - | Elk |
| Frazer Creek | Mendocino | stream | 393332N | 1234541W | - | Inglenook |
| Freathy Creek | Mendocino | stream | 392120N | 1233318W | - | Comptche |
| French Trail | Mendocino | trail | 400030N | 1225742W | 1900 | Solomon Peak |
| Friendship Park | Mendocino | park | 391831N | 1234743W | - | Mendocino |
| Fritsche Ranch | Mendocino | locale | 391607N | 1230444W | - | Potter Valley |
| Fruit Lake | Mendocino | lake | 385653N | 1231654W | - | Ornbaun Valley |
| Fulweiter Creek | Mendocino | stream | 392355N | 1231845W | - | Willits |
| Gallaway | Mendocino | pop place | 385209N | 1233908W | 88 | Saunders Reef |
| Gallaway Creek | Mendocino | stream | 385209N | 1233918W | - | Saunders Reef |
| Galletti Ranch | Mendocino | locale | 390451N | 1234141W | - | Mallo Pass Creek |
| Galloway Creek | Mendocino | stream | 384750N | 1230951W | - | Big Foot Mountain |
| Galloway Creek | Mendocino | stream | 385209N | 1233918W | - | Saunders Reef |
| Gamache Creek | Mendocino | stream | 394406N | 1232207W | - | Dos Rios |
| Garcey Ranch | Mendocino | locale | 392955N | 1231028W | - | Foster Mountain |
| Garcia Creek | Mendocino | stream | 392935N | 1231012W | - | Foster Mountain |
| Garcia River | Mendocino | stream | 385716N | 1234357W | - | Point Arena |
| Garden Creek | Mendocino | stream | 395304N | 1234411W | - | Noble Butte |
| Garsey Creek | Mendocino | stream | 392935N | 1231012W | - | Foster Mountain |
| Gas Mine Ridge | Mendocino | ridge | 395018N | 1232154W | - | Covelo West |
| Gates Creek | Mendocino | stream | 391223N | 1232600W | - | Bailey Ridge |
| George Lambert Canyon | Mendocino | valley | 394542N | 1230832W | - | Covelo East |
| George Lambert Ridge | Mendocino | ridge | 394625N | 1230656W | - | Newhouse Ridge |
| German Creek | Mendocino | stream | 385621N | 1232422W | - | Zeni Ridge |
| German Gap | Mendocino | gap | 385741N | 1232633W | - | Zeni Ridge |
| German Opening | Mendocino | flat | 385625N | 1232444W | - | Zeni Ridge |
| German Ridge | Mendocino | ridge | 385720N | 1232549W | - | Zeni Ridge |
| Getchel Gulch | Mendocino | valley | 384753N | 1233415W | - | Gualala |
| Getchell Gulch | Mendocino | valley | 384753N | 1233415W | - | Gualala |
| Gianoli Ranch | Mendocino | locale | 385123N | 1232527W | 1490 | McGuire Ridge |
| Gibson Creek | Mendocino | stream | 390812N | 1231121W | - | Ukiah |
| Gibson Creek | Mendocino | stream | 395237N | 1231755W | - | Mina |
| Gill Creek | Mendocino | stream | 394730N | 1232319W | Iron Peak | |
| Glen BlairJunction | Mendocino | pop place | 392728N | 1234327W | 120 | Noyo Hill |
| Glenblair | Mendocino | pop place | 392728N | 1234327W | 120 | Noyo Hill |
| Glenblair Junction | Mendocino | pop place | 392728N | 1234327W | 120 | Noyo Hill |
| Glennan Gulch | Mendocino | valley | 384726N | 1233339W | - | Gualala |
| Glennen Gulch | Mendocino | valley | 384726N | 1233339W | - | Gualala |
| Goat Camp | Mendocino | locale | 393609N | 1225425W | - | Hull Mountain |
| Goat Island | Mendocino | island | 391824N | 1234842W | - | Mendocino |
| Goat Recreation Site | Mendocino | locale | 393609N | 1225425W | - | Hull Mountain |
| Goat Ridge | Mendocino | ridge | 390559N | 1231848W | - | Boonville |
| Goat Rock | Mendocino | pillar | 390102N | 1231153W | - | Elledge Peak |
| Goat Rock | Mendocino | summit | 393557N | 1225449W | 6040 | Hull Mountain |
| Goforth Creek | Mendocino | stream | 394241N | 1232031W | - | Dos Rios |
| Gooseberry Trail | Mendocino | trail | 392657N | 1232428W | - | Burbeck |
| Gordon Gulch | Mendocino | valley | 393854N | 1234516W | - | Westport |
| Gordon Hill | Mendocino | summit | 394011N | 1234643W | 773 | Westport |
| Gowan Creek | Mendocino | stream | 390431N | 1232736W | - | Philo |
| Grace Hudson Museum | Mendocino | building | 390853N | 1231217W | - | Ukiah |
| Grant Ranch | Mendocino | locale | 385343N | 1233955W | - | Point Arena |
| Grapevine Creek | Mendocino | stream | 393923N | 1233525W | - | Cahto Peak |
| Grapevine Flat | Mendocino | flat | 395141N | 1231724W | - | Covelo West |
| Grapevine Spring | Mendocino | spring | 394523N | 1232545W | - | Iron Peak |
| Grapewine Creek | Mendocino | stream | 394831N | 1233248W | - | Tan Oak Park |
| Grass Lake | Mendocino | lake | 395610N | 1230308W | - | Leech Lake Mountain |
| Grassy Lake | Mendocino | lake | 394026N | 1231805W | - | Dos Rios |
| Gravelly Lake | Mendocino | lake | 395659N | 1232150W | - | Mina |
| Graves Cabin | Mendocino | locale | 393435N | 1225334W | - | Hull Mountain |
| Graveyard Creek | Mendocino | stream | 390131N | 1232258W | - | Philo |
| Green Lambert Canyon | Mendocino | valley | 394537N | 1230831W | - | Covelo East |
| Green Memorial Park | Mendocino | park | 392622N | 1234738W | - | Fort Bragg |
| Green Springs | Mendocino | spring | 395821N | 1225558W | - | Buck Rock |
| Green Trees | Mendocino | locale | 390323N | 1231941W | - | Boonville |
| Greenfield Ranch | Mendocino | locale | 391456N | 1231803W | - | Orrs Springs |
| Greenough Ridge | Mendocino | ridge | 391619N | 1232517W | - | Greenough Ridge |
| Greenough Roughs | Mendocino | ridge | 391606N | 1232523W | - | Greenough Ridge |
| Greenwood Cove | Mendocino | bay | 390757N | 1234317W | - | Elk |
| Greenwood Creek | Mendocino | stream | 390735N | 1234300W | - | Elk |
| Greenwood Creek State Beach | Mendocino | park | 390739N | 1234300W | - | Elk |
| Greenwood Ridge | Mendocino | ridge | 390829N | 1234008W | - | Elk |
| Grimes Ranch | Mendocino | locale | 391552N | 1233428W | - | Comptche |
| Grist Creek | Mendocino | stream | 394705N | 1231226W | - | Covelo East |
| Grizzly Flat Forest Service Facility | Mendocino | locale | 394156N | 1225922W | - | Plaskett Ridge |
| Grizzly Flat Station | Mendocino | locale | 394156N | 1225922W | - | Plaskett Ridge |
| Grizzly Gulch | Mendocino | valley | 394218N | 1230654W | - | Thatcher Ridge |
| Grizzly Peak | Mendocino | summit | 385814N | 1231640W | 2960 | Ornbaun Valley |
| Grizzly Point | Mendocino | summit | 392849N | 1231548W | 2080 | Willits |
| Groshong Gulch | Mendocino | valley | 384636N | 1232937W | - | McGuire Ridge |
| Grove | Mendocino | pop place | 392613N | 1233930W | 100 | Noyo Hill |
| Grove Junction | Mendocino | pop place | 392613N | 1233930W | 100 | Noyo Hill |
| Grove Trail | Mendocino | trail | 395253N | 1234349W | - | Noble Butte |
Section: 9 of 23
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Grub Creek | Mendocino | stream | 394603N | 1233428W | - | Tan Oak Park |
| Gschwend Creek | Mendocino | stream | 390639N | 1232539W | - | Philo |
| Gualala | Mendocino | pop place | 384557N | 1233137W | 67 | Gualala |
| Gualala Mountain | Mendocino | summit | 385122N | 1232943W | 2225 | McGuire Ridge |
| Gualala River | Mendocino | stream | 384607N | 1233158W | - | Gualala |
| Gube Mountain | Mendocino | summit | 385058N | 1231901W | 2602 | Gube Mountain |
| Guidiville Rancheria | Mendocino | locale | 390824N | 1230836W | - | Ukiah |
| Gulch Creek | Mendocino | stream | 392553N | 1232827W | - | Burbeck |
| Gulch Eight | Mendocino | valley | 390758N | 1233426W | - | Navarro |
| Gulch Eleven | Mendocino | valley | 392843N | 1233541W | - | Northspur |
| Gulch Fifteen | Mendocino | valley | 391323N | 1233150W | - | Navarro |
| Gulch Five | Mendocino | valley | 390831N | 1233351W | - | Navarro |
| Gulch Five | Mendocino | valley | 392600N | 1233154W | - | Northspur |
| Gulch Four | Mendocino | valley | 390834N | 1233342W | - | Navarro |
| Gulch Nine | Mendocino | valley | 390812N | 1233355W | - | Navarro |
| Gulch Number Seven | Mendocino | valley | 392650N | 1233116W | - | Northspur |
| Gulch One | Mendocino | valley | 390837N | 1233312W | - | Navarro |
| Gulch One | Mendocino | valley | 392939N | 1233632W | - | Northspur |
| Gulch One | Mendocino | valley | 393308N | 1234348W | - | Dutchmans Knoll |
| Gulch Seven | Mendocino | valley | 390759N | 1233428W | - | Navarro |
| Gulch Seven | Mendocino | valley | 392650N | 1233116W | - | Northspur |
| Gulch Six | Mendocino | valley | 390806N | 1233411W | - | Navarro |
| Gulch Sixteen | Mendocino | valley | 392242N | 1233441W | - | Northspur |
| Gulch Thirtyone | Mendocino | valley | 392611N | 1233441W | - | Northspur |
| Gulch Three | Mendocino | valley | 390836N | 1233326W | - | Navarro |
| Gulch Three | Mendocino | valley | 393358N | 1234320W | - | Dutchmans Knoll |
| Gulch Two | Mendocino | valley | 390833N | 1233318W | - | Navarro |
| Gulch Two | Mendocino | valley | 393345N | 1234312W | - | Dutchmans Knoll |
| Gunari Gulch | Mendocino | valley | 391436N | 1233956W | - | Elk |
| Gunderson Rock | Mendocino | island | 390733N | 1234311W | - | Elk |
| Guntley Ranch | Mendocino | locale | 391552N | 1230638W | - | Potter Valley |
| Gut Creek | Mendocino | stream | 390434N | 1231954W | - | Boonville |
| Haehl Creek | Mendocino | stream | 392440N | 1232029W | - | Willits |
| Haehl Ranch | Mendocino | locale | 385252N | 1230809W | - | Yorkville |
| Hagan Lake | Mendocino | lake | 390105N | 1230500W | - | Purdys Gardens |
| Hagemann Ranch | Mendocino | locale | 390431N | 1232954W | - | Philo |
| Hakley Ranch | Mendocino | locale | 385733N | 1233907W | - | Point Arena |
| Hale Creek | Mendocino | stream | 392427N | 1230740W | - | Foster Mountain |
| Hales Grove | Mendocino | pop place | 394904N | 1234652W | 1140 | Hales Grove |
| Half Creek | Mendocino | stream | 392427N | 1230740W | - | Foster Mountain |
| Halfway House Gulch | Mendocino | valley | 391453N | 1232959W | - | Bailey Ridge |
| Haliday Ranch | Mendocino | locale | 385544N | 1234030W | - | Point Arena |
| Hall Creek | Mendocino | stream | 395600N | 1232041W | - | Mina |
| Hall Gulch | Mendocino | valley | 385205N | 1233708W | - | Gualala |
| Ham Canyon | Mendocino | valley | 390214N | 1232628W | - | Philo |
| Ham Pass | Mendocino | gap | 395314N | 1230518W | - | Leech Lake Mountain |
| Hamilton Opening | Mendocino | flat | 390224N | 1233301W | - | Cold Spring |
| Hammerhorn Campground | Mendocino | locale | 395657N | 1225926W | - | Buck Rock |
| Hammerhorn Creek | Mendocino | stream | 395624N | 1230027W | - | Leech Lake Mountain |
| Hammerhorn Lake | Mendocino | lake | 395654N | 1225921W | - | Buck Rock |
| Hammerhorn Recreation Site | Mendocino | locale | 395657N | 1225926W | - | Buck Rock |
| Hand Flat | Mendocino | flat | 394424N | 1230459W | - | Thatcher Ridge |
| Hanes Ridge | Mendocino | ridge | 385721N | 1232806W | - | Zeni Ridge |
| Hanke Ranch | Mendocino | locale | 394257N | 1232401W | - | Laytonville |
| Hans Ottoson Opening | Mendocino | gap | 391639N | 1232643W | - | Greenough Ridge |
| Hansen School (historical) | Mendocino | school | 391348N | 1233017W | - | Navarro |
| Hansens Curve | Mendocino | locale | 391712N | 1234226W | - | Mathison Peak |
| Hanson Creek | Mendocino | stream | 394125N | 1230236W | - | Thatcher Ridge |
| Hardin (historical) | Mendocino | pop place | 385222N | 1225335W | 2360 | Asti |
| Hardy | Mendocino | pop place | 394245N | 1234807W | 30 | Westport |
| Hardy Creek | Mendocino | stream | 394239N | 1234823W | - | Westport |
| Hardy Place | Mendocino | pop place | 394804N | 1225659W | 4560 | Mendocino Pass |
| Hardy Ridge | Mendocino | ridge | 394253N | 1234649W | - | Westport |
| Hardy Rock | Mendocino | island | 394224N | 1234821W | - | Westport |
| Hare Creek | Mendocino | stream | 392502N | 1234841W | - | Fort Bragg |
| Hartstone Camp | Mendocino | locale | 392403N | 1230704W | - | Van Arsdale Reservoir |
| Hatchet Flat | Mendocino | flat | 392337N | 1230457W | - | Van Arsdale Reservoir |
| Hathaway Creek | Mendocino | stream | 385636N | 1234305W | - | Point Arena |
| Haun Creek | Mendocino | stream | 393850N | 1233721W | - | Cahto Peak |
| Havens Anchorage | Mendocino | bay | 384803N | 1233505W | - | Gualala |
| Havens Neck | Mendocino | cape | 384833N | 1233553W | - | Gualala |
| Hawk Butte | Mendocino | summit | 385700N | 1231712W | 2493 | Ornbaun Valley |
| Hay Shed Basin | Mendocino | basin | 394414N | 1230349W | - | Thatcher Ridge |
| Haydon Rock | Mendocino | summit | 393954N | 1225919W | 5760 | Plaskett Ridge |
| Hayfield Creek | Mendocino | stream | 385038N | 1232502W | - | McGuire Ridge |
| Haynes Creek | Mendocino | stream | 394015N | 1230301W | - | Thatcher Ridge |
| Haynes Flat | Mendocino | flat | 394142N | 1230211W | - | Thatcher Ridge |
| Haynes Hill | Mendocino | summit | 394054N | 1230154W | 3999 | Thatcher Ridge |
| Hays Place | Mendocino | pop place | 394038N | 1225436W | 3140 | Plaskett Ridge |
| Hayshed Basin | Mendocino | basin | 394414N | 1230349W | - | Thatcher Ridge |
| Hayshed Creek | Mendocino | stream | 394137N | 1230641W | - | Thatcher Ridge |
| Hayshed Gulch | Mendocino | valley | 392540N | 1234416W | - | Noyo Hill |
| Hayshed Siding | Mendocino | locale | 392546N | 1234426W | - | Noyo Hill |
| Hayworth Creek | Mendocino | stream | 392716N | 1233156W | - | Northspur |
| Hazel Gulch | Mendocino | valley | 391212N | 1234003W | - | Elk |
| Hearn Gulch | Mendocino | valley | 385107N | 1233851W | - | Saunders Reef |
| Hearst | Mendocino | pop place | 392930N | 1231249W | 1320 | Foster Mountain |
| Hearst School (historical) | Mendocino | school | 392754N | 1231619W | - | Willits |
| Heath Place | Mendocino | pop place | 394927N | 1232248W | 2080 | Iron Peak |
| Heeser Addition | Mendocino | pop place | 392455N | 1234611W | 310 | Fort Bragg |
| Hell Hole Canyon | Mendocino | valley | 395230N | 1230058W | - | Leech Lake Mountain |
| Hellhole Canyon | Mendocino | valley | 395230N | 1230058W | - | Leech Lake Mountain |
| Hells Delight Canyon | Mendocino | valley | 391608N | 1230812W | - | Redwood Valley |
| Hells Half Acre | Mendocino | flat | 393643N | 1225647W | 6349 | Hull Mountain |
| Hemlock Ranch | Mendocino | locale | 391248N | 1230441W | - | Cow Mountain |
| Henderson Cabin (historical) | Mendocino | building | 395645N | 1225835W | - | Buck Rock |
| Hendy Grove | Mendocino | pop place | 390437N | 1232745W | 196 | Philo |
| Hendy Woods State Park | Mendocino | park | 390416N | 1232755W | - | Philo |
| Henly Creek | Mendocino | stream | 395625N | 1233047W | - | Bell Springs |
| Henry Ranch | Mendocino | locale | 390244N | 1230846W | - | Elledge Peak |
| Hensley Creek | Mendocino | stream | 391103N | 1231159W | - | Ukiah |
| Herbert Ranch | Mendocino | locale | 391403N | 1234112W | - | Elk |
| Hi Chute Ridge | Mendocino | ridge | 391759N | 1234238W | - | Mathison Peak |
| Hibberd Ranch | Mendocino | locale | 385345N | 1231559W | - | Ornbaun Valley |
| Hickey Campground | Mendocino | locale | 395238N | 1234342W | - | Noble Butte |
Section: 10 of 23
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| High Peak | Mendocino | summit | 392411N | 1230459W | 3830 | Van Arsdale Reservoir |
| High Salt Ground | Mendocino | area | 392923N | 1231528W | - | Willits |
| High Tip | Mendocino | summit | 395525N | 1235708W | 372 | Bear Harbor |
| High Valley Ranch | Mendocino | locale | 385523N | 1225747W | - | Highland Springs |
| Highland Ranch | Mendocino | locale | 390315N | 1232740W | - | Philo |
| Highway Twenty Park | Mendocino | park | 392414N | 1232111W | - | Willits |
| Hillcrest Cemetery | Mendocino | cemetery | 391831N | 1234752W | - | Mendocino |
| Hilltop Spring | Mendocino | spring | 385609N | 1230929W | - | Yorkville |
| Hilpass (historical) | Mendocino | pop place | n/a | n/a | - | n/a |
| Hiltabidels Opening | Mendocino | flat | 395528N | 1234052W | - | Noble Butte |
| Hog Hole | Mendocino | ridge | 394206N | 1231742W | - | Dos Rios |
| Hog Hole Ridge | Mendocino | ridge | 394230N | 1231740W | - | Dos Rios |
| Hog Lake | Mendocino | lake | 390154N | 1230440W | - | Purdys Gardens |
| Hog Ranch Ridge | Mendocino | ridge | 385808N | 1232623W | - | Zeni Ridge |
| Hogshed Creek | Mendocino | stream | 394717N | 1233842W | - | Leggett |
| Hoil Creek | Mendocino | stream | 385259N | 1225426W | - | Highland Springs |
| Holders (historical) | Mendocino | pop place | n/a | n/a | - | n/a |
| Hollow Tree (historical) | Mendocino | pop place | n/a | n/a | - | n/a |
| Hollow Tree Creek | Mendocino | stream | 395128N | 1234335W | - | Leggett |
| Holmen Ridge | Mendocino | ridge | 394044N | 1232315W | - | Laytonville |
| Holohan Gulch | Mendocino | valley | 395606N | 1234403W | - | Noble Butte |
| Holzhauser Ranch | Mendocino | locale | 394423N | 1230459W | - | Thatcher Ridge |
| Honey Creek | Mendocino | stream | 390006N | 1232515W | - | Philo |
| Honky Tonk Picnic Area | Mendocino | park | 394528N | 1234910W | - | Hales Grove |
| Hoodoo Gulch | Mendocino | valley | 384837N | 1232826W | - | McGuire Ridge |
| Hop Flat | Mendocino | flat | 391021N | 1234007W | - | Elk |
| Hopitsewah (historical) | Mendocino | pop place | n/a | n/a | - | n/a |
| Hopland | Mendocino | pop place | 385823N | 1230655W | 486 | Hopland |
| Hopland Cemetery | Mendocino | cemetery | 385803N | 1230558W | - | Hopland |
| Hopland Field Station | Mendocino | locale | 390007N | 1230501W | - | Purdys Gardens |
| Hopland Fire Control Station | Mendocino | locale | 390011N | 1230710W | - | Purdys Gardens |
| Hopland Fire Station | Mendocino | locale | 390011N | 1230710W | - | Purdys Gardens |
| Hopland Indian Reservation | Mendocino | reserve | 390005N | 1230211W | - | Purdys Gardens |
| Hopland Post Office (Est. Dec. 13, 1875) | Mendocino | post office | 385823N | 1230656W | - | Hopland |
| Hopper Flat | Mendocino | flat | 392215N | 1231623W | - | Laughlin Range |
| Hopper Ranch | Mendocino | locale | 385822N | 1230804W | 520 | Yorkville |
| Horse Camp | Mendocino | locale | 394615N | 1230425W | 4204 | Newhouse Ridge |
| Horse Camp (historical) | Mendocino | locale | 394615N | 1230426W | - | Newhouse Ridge |
| Horse Canyon | Mendocino | valley | 395832N | 1231444W | - | Bluenose Ridge |
| Horse Creek | Mendocino | stream | 390036N | 1232727W | - | Philo |
| Horse Creek | Mendocino | stream | 395602N | 1232211W | - | Mina |
| Horse Pasture Ridge | Mendocino | ridge | 393825N | 1230434W | - | Thatcher Ridge |
| Horse Recreation Site | Mendocino | locale | 394615N | 1230425W | 4204 | Newhouse Ridge |
| Horseshoe Bend | Mendocino | bend | 394503N | 1233821W | - | Leggett |
| Horseshoe Ranch | Mendocino | locale | 392340N | 1232633W | - | Burbeck |
| Horsetail Gulch | Mendocino | valley | 393241N | 1233910W | - | Dutchmans Knoll |
| Horsethief Canyon | Mendocino | valley | 384705N | 1232244W | - | McGuire Ridge |
| Horsethief Creek | Mendocino | stream | 391120N | 1232504W | - | Bailey Ridge |
| Horsethief Opening | Mendocino | flat | 391145N | 1232431W | - | Bailey Ridge |
| Hosea Creek | Mendocino | stream | 394219N | 1231905W | - | Dos Rios |
| Hosea Ridge | Mendocino | ridge | 394317N | 1231814W | - | Dos Rios |
| Hotel Camp | Mendocino | locale | 395804N | 1230628W | - | Leech Lake Mountain |
| Hotel Gulch | Mendocino | valley | 395004N | 1235032W | - | Hales Grove |
| Howard Creek | Mendocino | stream | 391048N | 1231149W | - | Ukiah |
| Howard Creek | Mendocino | stream | 394041N | 1234723W | - | Westport |
| Howard Creek | Mendocino | stream | 395425N | 1230048W | - | Leech Lake Mountain |
| Howard Lake | Mendocino | lake | 394051N | 1231741W | - | Dos Rios |
| Howard Lake | Mendocino | lake | 395248N | 1225914W | 3848 | Buck Rock |
| Howell Creek | Mendocino | stream | 390549N | 1231034W | - | Elledge Peak |
| Howlett Ranch | Mendocino | locale | 384647N | 1232155W | - | Gube Mountain |
| Huckleberry Creek | Mendocino | stream | 394421N | 1234308W | - | Lincoln Ridge |
| Huckleberry Pass | Mendocino | gap | 394356N | 1234437W | - | Lincoln Ridge |
| Hudson-Carpenter Park | Mendocino | park | 390853N | 1231217W | - | Ukiah |
| Hull Creek | Mendocino | stream | 393348N | 1225402W | - | Hull Mountain |
| Hull Mountain | Mendocino | summit | 393119N | 1225607W | 6873 | Hull Mountain |
| Hull Mountain Lookout | Mendocino | locale | 393119N | 1225608W | 6873 | Hull Mountain |
| Hulls Creek | Mendocino | stream | 395639N | 1230735W | - | Bluenose Ridge |
| Hulls Grave | Mendocino | cemetery | 393140N | 1225631W | - | Hull Mountain |
| Hulls Valley | Mendocino | valley | 395425N | 1231448W | - | Bluenose Ridge |
| Hummingbird Creek | Mendocino | stream | 385020N | 1225126W | - | The Geysers |
| Hungry Hollow Creek | Mendocino | stream | 390736N | 1232654W | - | Bailey Ridge |
| Hunters Camp | Mendocino | locale | 394107N | 1232214W | - | Dos Rios |
| Hurt Ranch (historical) | Mendocino | locale | 394813N | 1232056W | - | Covelo West |
| Impassable Rocks | Mendocino | summit | 391912N | 1232208W | 2680 | Laughlin Range |
| Indian Cemetery | Mendocino | cemetery | 390519N | 1230910W | - | Elledge Peak |
| Indian Creek | Mendocino | stream | 390329N | 1232628W | - | Philo |
| Indian Creek | Mendocino | stream | 393606N | 1231815W | - | Willis Ridge |
| Indian Creek | Mendocino | stream | 385426N | 1232927W | - | Zeni Ridge |
| Indian Creek | Mendocino | stream | 395837N | 1234818W | - | Piercy |
| Indian Creek County Park | Mendocino | park | 390337N | 1232606W | - | Philo |
| Indian Creek State Park | Mendocino | park | 390337N | 1232606W | - | Philo |
| Indian Springs | Mendocino | pop place | 394401N | 1232222W | 880 | Dos Rios |
| Ingle Ranch | Mendocino | locale | 391653N | 1230609W | - | Potter Valley |
| Inglenook | Mendocino | pop place | 393147N | 1234528W | 90 | Inglenook |
| Inglenook Cemetery | Mendocino | cemetery | 393100N | 1234544W | - | Inglenook |
| Inglenook Creek | Mendocino | stream | 393151N | 1234624W | - | Inglenook |
| Inglenook Fen | Mendocino | swamp | 393057N | 1234630W | - | Inglenook |
| Ingram | Mendocino | pop place | 385325N | 1231015W | 808 | Yorkville |
| Ingram Creek | Mendocino | stream | 385317N | 1231009W | - | Yorkville |
| Ingram Ranch | Mendocino | locale | 390806N | 1233208W | - | Navarro |
| Inlet Trail | Mendocino | trail | 392622N | 1232332W | - | Burbeck |
| Inman Creek | Mendocino | stream | 385426N | 1232927W | - | Zeni Ridge |
| Inspiration Point | Mendocino | cliff | 394349N | 1231504W | - | Dos Rios |
| Irene Peak | Mendocino | summit | 392021N | 1232308W | 2836 | Greenough Ridge |
| Irish Creek | Mendocino | stream | 390113N | 1234124W | 0 | Mallo Pass Creek |
| Irish Gulch | Mendocino | valley | 390115N | 1234044W | - | Mallo Pass Creek |
| Irishmans Flat | Mendocino | flat | 392053N | 1230322W | - | Potter Valley |
| Irmulco | Mendocino | pop place | 392520N | 1233059W | 407 | Northspur |
| Iron Creek | Mendocino | stream | 394622N | 1232613W | - | Iron Peak |
| Iron Peak | Mendocino | summit | 394831N | 1232849W | 4485 | Iron Peak |
| Iron Peak Lookout Tower | Mendocino | locale | 394831N | 1232849W | 4485 | Iron Peak |
| Iron Spring | Mendocino | spring | 394347N | 1231141W | - | Jamison Ridge |
| Irvine Rest Area | Mendocino | park | 393515N | 1232648W | - | Longvale |
| Islam John Creek | Mendocino | stream | 394758N | 1234433W | - | Leggett |
| Island Mountain | Mendocino | summit | 395748N | 1232927W | 3847 | Updegraff Ridge |
| Island Mountain Ranch | Mendocino | locale | 395604N | 1232826W | - | Updegraff Ridge |
Copyright © Calsign 2001