Page: 4 of 8
Section: 16 of 39 3821 Listings
Sections: | 16 In-Ju | | 17 Ju-La | | 18 La-La | |
19 La-Li | | 20 Li-Ly |
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Independence Park | San Diego | park | 323808N | 1170025W | - | National City |
| Inner Crown Point | San Diego | cape | 324725N | 1171346W | - | La Jolla |
| Inner Pasture | San Diego | flat | 325523N | 1161917W | - | Agua Caliente Springs |
| Inspiration Point | San Diego | cape | 330305N | 1163352W | - | Julian |
| Inspiration Point | San Diego | summit | 331605N | 1161413W | 1211 | Fonts Point |
| Inspiration Point | San Diego | locale | 331633N | 1163733W | - | Warner Springs |
| International Park | San Diego | park | 323214N | 1170625W | - | Imperial Beach |
| Inyaha (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Iron Mountain | San Diego | summit | 325815N | 1165716W | 2696 | San Vicente Reservoir |
| Iron Spring | San Diego | spring | 323951N | 1161307W | - | Jacumba |
| Iron Spring | San Diego | spring | 325947N | 1163751W | - | Tule Springs |
| Iron Spring Canyon | San Diego | valley | 332520N | 1164111W | - | Beauty Mountain |
| Iron Springs Canyon | San Diego | valley | 330302N | 1164142W | - | Santa Ysabel |
| Iron Springs Creek | San Diego | stream | 332009N | 1165142W | - | Palomar Observatory |
| Ironside Spring | San Diego | spring | 330801N | 1163545W | - | Ranchita |
| Irvings Crest | San Diego | pop place | 325847N | 1165441W | 1380 | San Vicente Reservoir |
| Isham Creek | San Diego | stream | 325729N | 1164524W | - | El Cajon Mountain |
| Isham Spring | San Diego | spring | 324335N | 1165814W | - | Jamul Mountains |
| Isla De San Martin | San Diego | island | 324150N | 1171154W | - | Point Loma |
| Island or Peninsula of San Diego | San Diego | civil | 324008N | 1170946W | - | Point Loma |
| Ivanhoe Ranch | San Diego | locale | 324457N | 1165410W | - | Jamul Mountains |
| Ivey Ranch Park | San Diego | park | 331347N | 1171855W | - | San Luis Rey |
| Ivy del Mobile Home Park | San Diego | pop place | 331016N | 1170618W | 860 | Valley Center |
| Jacayme (historical) | San Diego | locale | 331400N | 1171910W | - | San Luis Rey |
| Jackass Flat | San Diego | flat | 332531N | 1162402W | - | Collins Valley |
| Jacks Lake | San Diego | reservoir | 330800N | 1170829W | - | San Marcos |
| Jacks Pond | San Diego | reservoir | 330800N | 1170829W | - | San Marcos |
| Jacks Pond Park | San Diego | park | 330750N | 1170823W | - | San Marcos |
| Jackson Park | San Diego | park | 324706N | 1170110W | - | La Mesa |
| Jacom (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Jacumba | San Diego | pop place | 323703N | 1161120W | 2829 | Jacumba OE S |
| Jacumba Airport | San Diego | airport | 323700N | 1160953W | 2820 | Jacumba OE S |
| Jacumba Community Park | San Diego | park | 323700N | 1161104W | - | Jacumba OE S |
| Jacumba Hot Springs (historical) | San Diego | pop place | 323703N | 1161120W | 2829 | Jacumba OE S |
| Jacumba Mountains | San Diego | range | 324311N | 1161018W | - | Jacumba |
| Jacumba Peak | San Diego | summit | 323729N | 1161156W | 3360 | Jacumba OE S |
| Jacumba Valley | San Diego | valley | 323918N | 1161122W | - | Jacumba |
| Jamacao | San Diego | civil | 324309N | 1165803W | - | Jamul Mountains |
| Jamacao | San Diego | pop place | 324430N | 1165438W | 367 | Jamul Mountains |
| Jamacha | San Diego | civil | 324309N | 1165803W | - | Jamul Mountains |
| Jamacha | San Diego | pop place | 324430N | 1165438W | 367 | Jamul Mountains |
| Jamacha Junction | San Diego | pop place | 324423N | 1165633W | 344 | Jamul Mountains |
| Jamacha Valley | San Diego | valley | 324230N | 1165752W | - | Jamul Mountains |
| Jamacho | San Diego | civil | 324309N | 1165803W | - | Jamul Mountains |
| Jamacho | San Diego | pop place | 324430N | 1165438W | 367 | Jamul Mountains |
| James Scripps Bluff Preserve | San Diego | park | 325841N | 1171612W | - | Del Mar OE W |
| Jamul | San Diego | pop place | 324301N | 1165231W | 993 | Jamul Mountains |
| Jamul Butte | San Diego | summit | 324141N | 1165040W | 1448 | Dulzura |
| Jamul Creek | San Diego | stream | 323751N | 1165347W | - | Jamul Mountains |
| Jamul Mountain | San Diego | range | 324026N | 1165332W | - | Jamul Mountains |
| Jamul Valley | San Diego | valley | 323751N | 1165348W | - | Jamul Mountains |
| Janet Mine | San Diego | mine | 330508N | 1163613W | - | Julian |
| Janssen Ranch (historical) | San Diego | locale | 331918N | 1171533W | - | Morro Hill |
| Japacha Creek | San Diego | stream | 325454N | 1163405W | - | Cuyamaca Peak |
| Japacha Peak | San Diego | summit | 325603N | 1163556W | 5825 | Cuyamaca Peak |
| Japacha Spring | San Diego | spring | 325533N | 1163441W | - | Cuyamaca Peak |
| Japatu Station | San Diego | locale | 324435N | 1164023W | - | Barrett Lake |
| Japatul Fire Station | San Diego | locale | 324435N | 1164023W | - | Barrett Lake |
| Japatul School (historical) | San Diego | school | 324618N | 1164217W | - | Viejas Mountain |
| Japatul Valley | San Diego | valley | 324722N | 1164109W | - | Viejas Mountain |
| Jardine Canyon | San Diego | valley | 332418N | 1172926W | - | Margarita Peak |
| Jave Ranch | San Diego | locale | 332641N | 1172032W | - | Fallbrook |
| Jaybird Creek | San Diego | stream | 331928N | 1165902W | - | Boucher Hill |
| Jeff Valley | San Diego | valley | 331805N | 1165008W | - | Palomar Observatory |
| Jerabek Park | San Diego | park | 325428N | 1170502W | - | Poway |
| Jesmond Dene | San Diego | pop place | 331049N | 1170630W | 900 | Valley Center |
| Jesmond Dene Club (historical) | San Diego | locale | 331052N | 1170631W | - | Valley Center |
| Jesmond Dene Park | San Diego | park | 331004N | 1170527W | - | Valley Center |
| Jess Martin Park | San Diego | park | 330419N | 1163531W | - | Julian |
| Jewel Valley | San Diego | valley | 323642N | 1161528W | - | Tierra del Sol |
| Jewell Valley | San Diego | valley | 323642N | 1161528W | - | Tierra del Sol |
| Jim Green Creek | San Diego | stream | 330521N | 1163838W | - | Santa Ysabel |
| Jim Spring | San Diego | spring | 331258N | 1162838W | - | Tubb Canyon |
| Joe Balderama Park | San Diego | park | 331214N | 1172213W | - | San Luis Rey |
| Jofegan | San Diego | pop place | 331854N | 1171953W | 100 | Morro Hill |
| John Adams (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| John F Kennedy Park | San Diego | park | 324753N | 1165508W | - | El Cajon |
| John F Kennedy Park | San Diego | park | 324148N | 1170527W | - | National City |
| John Landes Park | San Diego | park | 331140N | 1171708W | - | San Luis Rey |
| John Nichols Field | San Diego | airport | 323759N | 1165335W | 490 | Jamul Mountains |
| Johnnie Spring | San Diego | spring | 331257N | 1162742W | - | Tubb Canyon |
| Johnson Canyon | San Diego | valley | 323529N | 1165727W | - | Otay Mesa |
| Johnson Canyon | San Diego | valley | 332148N | 1163823W | - | Warner Springs |
| Johnson Creek | San Diego | stream | 325806N | 1164006W | - | Tule Springs |
| Johnson Ranch | San Diego | locale | 332910N | 1172159W | - | Fallbrook |
| Johnstown | San Diego | pop place | 325017N | 1165345W | 600 | El Cajon |
| Jojoba Wash | San Diego | stream | 324834N | 1160730W | - | Sweeney Pass |
| Jorres Wharf (historical) | San Diego | locale | 324248N | 1171021W | - | Point Loma |
| Joy Meadow | San Diego | flat | 325055N | 1162729W | - | Mount Laguna |
| Juan Flat | San Diego | flat | 330929N | 1163754W | - | Warners Ranch |
| Juaquapin Creek | San Diego | stream | 325448N | 1163406W | - | Cuyamaca Peak |
| Juaquapin Trail | San Diego | trail | 325443N | 1163329W | - | Cuyamaca Peak |
| Juch Canyon | San Diego | valley | 330546N | 1163804W | - | Santa Ysabel |
| Judson Park | San Diego | park | 324751N | 1165743W | - | El Cajon |
| Judson Reservoir (historical) | San Diego | reservoir | 323650N | 1170307W | - | Imperial Beach |
| Julian (historic landmark #412) (1869) | San Diego | pop place | 330443N | 1163604W | 4220 | Julian |
| Julian City (historic landmark #412) (1869) | San Diego | pop place | 330443N | 1163604W | 4220 | Julian |
| Julian Cemetery | San Diego | cemetery | 330447N | 1163615W | - | Julian |
| Julian County Park | San Diego | park | 330433N | 1163603W | - | Julian |
| Julian Pioneer Museum | San Diego | building | 330439N | 1163608W | - | Julian |
| Feature Name | County | Type | Latitude | Longitude | USGS 7.5' Map | |
| Julian Post Office (Est. Aug. 8, 1870) | San Diego | post office | 330434N | 1163554W | - | Julian |
| June Wash | San Diego | stream | 325555N | 1161512W | - | Agua Caliente Springs |
| Juniper Serra Museum | San Diego | building | 324533N | 1171135W | - | La Jolla |
| KBNN-FM (Julian) | San Diego | tower | 330607N | 1163441W | - | Julian |
| KBNN-FM (Julian) | San Diego | tower | 330933N | 1163653W | - | Ranchita |
| KCBQ-AM (San Diego) | San Diego | tower | 325023N | 1165931W | - | El Cajon |
| KCBQ-FM (San Diego) | San Diego | tower | 325017N | 1171456W | - | La Jolla |
| KCEO-AM (Vista) | San Diego | tower | 331359N | 1171609W | - | San Luis Rey |
| KCEO-AM (Vista) | San Diego | tower | 331525N | 1171617W | - | Morro Hill |
| KECR-AM (El Cajon) | San Diego | tower | 325338N | 1165535W | - | San Vicente Reservoir |
| KECR-FM (El Cajon) | San Diego | tower | 324148N | 1165610W | - | Jamul Mountains |
| KFMB-AM (San Diego) | San Diego | tower | 325032N | 1170129W | - | La Mesa |
| KFMB-FM (San Diego) | San Diego | tower | 325017N | 1171456W | - | La Jolla |
| KFMB-TV (San Diego) | San Diego | tower | 325017N | 1171456W | - | La Jolla |
| KFSD-FM (San Diego) | San Diego | tower | 325021N | 1171457W | - | La Jolla |
| KGB-FM (San Diego) | San Diego | tower | 324349N | 1170501W | - | National City |
| KGB-FM (San Diego) | San Diego | tower | 324845N | 1170152W | - | La Mesa |
| KGMG-AM (Oceanside) | San Diego | tower | 331208N | 1172017W | - | San Luis Rey |
| KGMG-FM (Oceanside) | San Diego | tower | 330640N | 1171205W | - | Rancho Santa Fe |
| KGMG-FM (Oceanside) | San Diego | tower | 331253N | 1171115W | - | San Marcos |
| KGTV-10 Parking Lot Heliport | San Diego | airport | 324311N | 1170551W | - | National City |
| KGTV-TV (San Diego) | San Diego | tower | 325020N | 1171456W | - | La Jolla |
| KIFM-FM (San Diego) | San Diego | tower | 325017N | 1171456W | - | La Jolla |
| KIRS-AM (San Diego) | San Diego | tower | 325421N | 1165540W | - | San Vicente Reservoir |
| KJQY-FM (San Diego) | San Diego | tower | 325021N | 1171457W | - | La Jolla |
| KKLQ-AM (San Diego) | San Diego | tower | 324317N | 1170411W | - | National City |
| KKLQ-FM (San Diego) | San Diego | tower | 324317N | 1170411W | - | National City |
| KKLQ-FM (San Diego) | San Diego | tower | 324845N | 1170152W | - | La Mesa |
| KKOS-FM (Carlsbad) | San Diego | tower | 330909N | 1171533W | - | San Luis Rey |
| KKYY-FM (San Diego) | San Diego | tower | 325021N | 1171457W | - | La Jolla |
| KMLO-FM (Fallbrook) | San Diego | tower | 332301N | 1171120W | - | Temecula |
| KNSD-TV (San Diego) | San Diego | tower | 324148N | 1165606W | - | Jamul Mountains |
| KOWF-FM (Escondido) | San Diego | tower | 330639N | 1170913W | - | Rancho Santa Fe |
| KPBS-FM (San Diego) | San Diego | tower | 324845N | 1170152W | - | La Mesa |
| KPBS-FM (San Diego) | San Diego | tower | 324147N | 1165607W | - | Jamul Mountains |
| KPBS-TV (San Diego) | San Diego | tower | 324147N | 1165607W | - | Jamul Mountains |
| KPOP-AM (San Diego) | San Diego | tower | 324349N | 1170501W | - | National City |
| KPRZ-AM (San Marcos) | San Diego | tower | 330412N | 1171135W | - | Rancho Santa Fe |
| KPRZ-AM (San Marcos-Poway) | San Diego | tower | 330412N | 1171135W | - | Rancho Santa Fe |
| KSDO-AM (San Diego) | San Diego | tower | 325104N | 1165751W | - | El Cajon |
| KSDO-AUX-FM (San Diego) | San Diego | tower | 324148N | 1165610W | - | Jamul Mountains |
| KSDO-FM (San Diego) | San Diego | tower | 325024N | 1171452W | - | La Jolla |
| KSDS-FM (San Diego) | San Diego | tower | 324819N | 1171009W | - | La Jolla |
| KSON-AM (San Diego) | San Diego | tower | 324140N | 1170717W | - | National City |
| KSON-FM (San Diego) | San Diego | tower | 324313N | 1170414W | - | National City |
| KSON-FM (San Diego) | San Diego | tower | 324845N | 1170152W | - | La Mesa |
| KSPA-AM (Escondido) | San Diego | tower | 330711N | 1170707W | - | Escondido |
| KTTY-TV (San Diego) | San Diego | tower | 324147N | 1165607W | - | Jamul Mountains |
| KUSI-TV (San Diego) | San Diego | tower | 324152N | 1165602W | - | Jamul Mountains |
| KYXY-FM (San Diego) | San Diego | tower | 325017N | 1171456W | - | La Jolla |
| Kanaka Flat | San Diego | flat | 330624N | 1163659W | - | Julian |
| Kate O. Sessions Memorial Park | San Diego | park | 324848N | 1171414W | - | La Jolla |
| Site of the Kate O. Sessions Nursery (historic landmark #764) | San Diego | building | n/a | n/a | - | n/a |
| Kate Sessions Memorial Park | San Diego | park | 324848N | 1171414W | - | La Jolla |
| Katukto | San Diego | summit | 331800N | 1171609W | 942 | Morro Hill |
| Kearchoffer Flat | San Diego | flat | 324545N | 1164320W | - | Viejas Mountain |
| Kearney Mesa | San Diego | summit | 325516N | 1170659W | 525 | Poway |
| Kearney Mesa (historical) | pop place | locale | 330418N | n/a | - | n/a |
| Kearny Mesa | San Diego | summit | 325516N | 1170659W | 525 | Poway |
| Kearny Mesa Community Park | San Diego | park | 324800N | 1171005W | - | La Jolla |
| Kearny Mesa Park | San Diego | park | 324800N | 1171005W | - | La Jolla |
| Kearny Mesa Recreation Center | San Diego | park | 324809N | 1170949W | - | La Jolla |
| Keiller Park | San Diego | park | 324247N | 1170227W | - | National City |
| Kellogg Park | San Diego | park | 325121N | 1171523W | - | La Jolla OE W |
| Kelly Creek | San Diego | stream | 325944N | 1164230W | - | Tule Springs |
| Kellys Ditch Trail | San Diego | trail | 325950N | 1163535W | - | Cuyamaca Peak |
| Kensington (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Kensington Mini Park | San Diego | park | 324547N | 1170620W | - | La Mesa |
| Kensington Park | San Diego | park | 324547N | 1170620W | - | La Mesa |
| Kentucky Mine Group | San Diego | mine | 330406N | 1163325W | - | Julian |
| Kentwood-In-The-Pines | San Diego | pop place | 330418N | 1163429W | 4280 | Julian |
| Kenyon Cove | San Diego | valley | 330751N | 1162413W | - | Tubb Canyon |
| Kenyon Overlook Trail | San Diego | trail | 330835N | 1162115W | - | Borrego Sink |
| Kessler Flat | San Diego | flat | 330108N | 1164113W | - | Santa Ysabel |
| Keys Canyon | San Diego | valley | 331909N | 1170934W | - | Bonsall |
| Keys Creek | San Diego | stream | 331908N | 1170953W | - | Bonsall |
| Keystone Pilot Mine | San Diego | mine | 330506N | 1163617W | - | Julian |
| Kimball Park | San Diego | park | 324015N | 1170609W | - | National City |
| Kimball Valley | San Diego | valley | 325647N | 1165414W | - | San Vicente Reservoir |
| King Creek | San Diego | stream | 325353N | 1164305W | - | Tule Springs |
| King Mine | San Diego | mine | 330214N | 1163304W | - | Julian |
| Kit Carson Park | San Diego | park | 330427N | 1170342W | - | Escondido |
| Kitchen Creek | San Diego | stream | 324356N | 1162916W | - | Cameron Corners |
| Kitchen Valley | San Diego | valley | 324829N | 1162712W | - | Mount Laguna |
| Klondike Creek | San Diego | stream | 325935N | 1165045W | - | El Cajon Mountain |
| Knob Hill Park | San Diego | park | 330821N | 1170713W | - | Valley Center |
| Kohler Canyon | San Diego | valley | 332205N | 1164620W | - | Palomar Observatory |
| Kohls Mountain | San Diego | summit | 324845N | 1170149W | 1591 | La Mesa |
| Kuebler Ranch | San Diego | locale | 323452N | 1165452W | 762 | Otay Mesa |
| Kumpohui Creek | San Diego | stream | 331240N | 1164343W | - | Warners Ranch |
| L C Bandell Park | San Diego | park | 324121N | 1171114W | - | Point Loma |
| La Canada De Los Coches Rancho (historic landmark #425) (1843) | San Diego | locale | n/a | n/a | - | n/a |
| La Cienaga | San Diego | spring | 331237N | 1162753W | - | Tubb Canyon |
| La Colonia County Park | San Diego | park | 325912N | 1171530W | - | Del Mar OE W |
| La Costa | San Diego | pop place | 330528N | 1171555W | 50 | Encinitas |
| La Costa | San Diego | locale | 330546N | 1171845W | - | Encinitas |
| La Costa Canyon Park | San Diego | park | 330522N | 1171429W | - | Rancho Santa Fe |
| La Costa Meadows-Fuerte Park | San Diego | park | 330615N | 1171427W | - | Rancho Santa Fe |
| La Cresta | San Diego | pop place | 324840N | 1165145W | 1640 | Alpine |
| La Cristianita Historic Site (historic landmark #562) (1769) | San Diego | park | 332559N | 1173403W | - | San Clemente |
Section: 18 of 39
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| La Honda Spring | San Diego | spring | 324319N | 1165302W | - | Jamul Mountains |
| La Jolla | San Diego | pop place | 325050N | 1171624W | 100 | La Jolla OE W |
| La Jolla Amago | San Diego | pop place | 331658N | 1165145W | 2760 | Palomar Observatory |
| La Jolla Bay | San Diego | bay | 325113N | 1171548W | - | La Jolla OE W |
| La Jolla Canyon | San Diego | valley | 325149N | 1171624W | - | La Jolla OE W |
| La Jolla Community Park | San Diego | park | 325035N | 1171635W | - | La Jolla OE W |
| La Jolla Cove | San Diego | bay | 325102N | 1171614W | - | La Jolla OE W |
| La Jolla Heights Park | San Diego | park | 325034N | 1171536W | - | La Jolla OE W |
| La Jolla Hermosa | San Diego | pop place | 324905N | 1171610W | 100 | La Jolla OE W |
| La Jolla Hermosa Park | San Diego | park | 324901N | 1171617W | - | La Jolla OE W |
| La Jolla Hospital (historical) | San Diego | hospital | 324925N | 1171626W | 100 | La Jolla OE W |
| La Jolla Indian Reservation | San Diego | reserve | 331612N | 1165159W | - | Palomar Observatory |
| La Jolla Mesa | San Diego | summit | 324942N | 1171523W | 580 | La Jolla OE W |
| La Jolla Natural Park | San Diego | park | 325034N | 1171536W | - | La Jolla OE W |
| La Jolla Park | San Diego | park | 325035N | 1171635W | - | La Jolla OE W |
| La Jolla Park Post Office (Est. Aug 7, 1894) | San Diego | post office | 325051N | 1171616W | - | La Jolla OE W |
| La Jolla Post Office (Est. Aug 7, 1894) | San Diego | post office | 325051N | 1171616W | - | La Jolla OE W |
| La Jolla Recreation Site | San Diego | locale | 331636N | 1165114W | 2380 | Palomar Observatory |
| La Jolla Shores | San Diego | pop place | 325120N | 1171510W | 20 | La Jolla OE W |
| La Jolla Shores Beach | San Diego | beach | 325141N | 1171516W | - | La Jolla OE W |
| La Jolla Shores Park | San Diego | park | 325129N | 1171521W | - | La Jolla OE W |
| La Jolla Strand | San Diego | park | 324939N | 1171644W | - | La Jolla OE W |
| La Jolla Strand Park | San Diego | park | 324939N | 1171644W | - | La Jolla OE W |
| La Jolla Valley | San Diego | valley | 330017N | 1170836W | - | Rancho Santa Fe |
| La Joya | San Diego | pop place | 325050N | 1171624W | 100 | La Jolla OE W |
| La Joya (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| La Laguna Que Se Seca | San Diego | reservoir | 325922N | 1163510W | - | Cuyamaca Peak |
| La Mesa | San Diego | pop place | 324604N | 1170120W | 507 | La Mesa |
| La Mesa Heights | San Diego | pop place | n/a | n/a | - | n/a |
| La Mesa Post Office (Est. n/a) | San Diego | post office | 324558N | 1170116W | - | La Mesa |
| La Mesa Springs | San Diego | pop place | 324604N | 1170120W | 507 | La Mesa |
| La Mesita Park | San Diego | park | 324717N | 1170019W | - | La Mesa |
| La Mission San Diego De Alcala (historic landmark #242) (August 1774) | San Diego | church | 324705N | 1170619W | - | La Mesa |
| La Moree Mobile Estates (subdivision) | San Diego | pop place | 330744N | 1170754W | - | San Marcos |
| La Nacion | San Diego | civil | 324008N | 1170406W | - | National City |
| La Pasta Indian Reserve | San Diego | reserve | 324407N | 1162325W | - | Cameron Corners |
| La Piche (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| La Playa | San Diego | pop place | 324244N | 1171440W | 60 | Point Loma |
| La Playa | San Diego | beach | 324233N | 1171410W | - | Point Loma |
| La Posta Creek | San Diego | stream | 324255N | 1162952W | - | Cameron Corners |
| La Posta Indian Reservation | San Diego | reserve | 324407N | 1162324W | - | Cameron Corners |
| La Posta Microwave Station | San Diego | locale | 324013N | 1162615W | - | Cameron Corners |
| La Posta Ranch | San Diego | locale | 324323N | 1162535W | - | Cameron Corners |
| La Posta Service | San Diego | locale | 324308N | 1162658W | - | Cameron Corners |
| La Posta Valley | San Diego | valley | 324251N | 1162547W | - | Cameron Corners |
| La Presa | San Diego | pop place | 324229N | 1165947W | 351 | Jamul Mountains |
| La Puerta Springs | San Diego | spring | 325804N | 1163611W | - | Cuyamaca Peak |
| La Punta De Guijarros | San Diego | cape | 324111N | 1171422W | - | Point Loma |
| La Punta De Los Guijarros | San Diego | cape | 324111N | 1171422W | - | Point Loma |
| La Punta De Los Muertos (historical) (historic landmark #57) (1782) | San Diego | cemetery | n/a | n/a | - | n/a |
| La Punta (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| La Sierra de Jacum | San Diego | range | 324311N | 1161018W | - | Jacumba |
| La Vista Cemetery | San Diego | cemetery | 323950N | 1170422W | - | National City |
| La Zanja Canyon | San Diego | valley | 325850N | 1171221W | - | Del Mar |
| Ladrillo (historical) | San Diego | pop place | 324910N | 1171320W | 100 | La Jolla |
| Laguna (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Laguna | San Diego | locale | 325314N | 1162647W | - | Monument Peak |
| Laguna Campground | San Diego | locale | 325314N | 1162647W | - | Monument Peak |
| Laguna Indian Reservation | San Diego | reserve | 325446N | 1162838W | - | Monument Peak |
| Laguna Junction | San Diego | pop place | 324834N | 1163042W | 4085 | Descanso |
| Laguna Lakes | San Diego | lake | 325250N | 1162742W | - | Monument Peak |
| Laguna Lakes | San Diego | lake | 325308N | 1162711W | - | Monument Peak |
| Laguna Meadow | San Diego | flat | 325302N | 1162740W | - | Monument Peak |
| Laguna Mountains | San Diego | range | 324830N | 1162654W | - | Mount Laguna |
| Laguna Public Camp | San Diego | locale | 325314N | 1162647W | - | Monument Peak |
| Laguna Ranch | San Diego | locale | 325152N | 1162726W | - | Mount Laguna |
| Laguna Recreation Area | San Diego | park | 325116N | 1162614W | - | Mount Laguna |
| Laguna Riviera City Park | San Diego | park | 330848N | 1171839W | - | San Luis Rey |
| Laguna Riviera Park | San Diego | park | 330848N | 1171839W | - | San Luis Rey |
| Laguna Vista Trailer Park | San Diego | pop place | 331347N | 1171950W | 40 | San Luis Rey |
| Lajolla Post Office (Est. Aug 7, 1894) | San Diego | post office | 325051N | 1171616W | - | La Jolla OE W |
| Lake Bernardo Estates Mobile Home Park (subdivision) | San Diego | pop place | 330802N | 1170557W | 700 | Valley Center |
| Lake Calavera | San Diego | reservoir | 331012N | 1171710W | - | San Luis Rey |
| Lake Cuyamaca | San Diego | reservoir | 325922N | 1163510W | - | Cuyamaca Peak |
| Lake Cuyamaca 1076 Dam | San Diego | dam | 325918N | 1163442W | - | Cuyamaca Peak |
| Lake Domingo | San Diego | reservoir | 323656N | 1161608W | - | Tierra del Sol |
| Lake Escondido | San Diego | reservoir | 331000N | 1170015W | 1480 | Valley Center |
| Lake Henshaw (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Lake Henshaw | San Diego | reservoir | 331430N | 1164544W | 2727 | Mesa Grande |
| Lake Henshaw | San Diego | park | 331355N | 1164533W | - | Mesa Grande |
| Lake Hodges (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Lake Hodges | San Diego | reservoir | 330242N | 1170740W | 275 | Rancho Santa Fe |
| Lake Hodges 8-003 Dam | San Diego | dam | 330242N | 1170740W | - | Rancho Santa Fe |
| Lake Jean | San Diego | lake | 332056N | 1164354W | - | Warner Springs |
| Lake Jennings | San Diego | reservoir | 325125N | 1165333W | 700 | El Cajon |
| Lake Jennings Park | San Diego | park | 325136N | 1165306W | - | El Cajon |
| Lake Loveland 2020-002 Dam | San Diego | dam | 324654N | 1164736W | - | Alpine |
| Lake Miramar | San Diego | reservoir | 325450N | 1170622W | 714 | Poway |
| Lake Moree Park | San Diego | park | 330749N | 1170855W | - | San Marcos |
| Lake Morena County Park | San Diego | park | 324153N | 1163113W | 3171 | Morena Reservoir |
| Lake Murray | San Diego | reservoir | 324654N | 1170242W | 526 | La Mesa |
| Lake Murray Community Park | San Diego | park | 324745N | 1170209W | - | La Mesa |
| Lake Murray Park | San Diego | park | 324745N | 1170209W | - | La Mesa |
| Lake Oneill | San Diego | reservoir | 331936N | 1171930W | - | Morro Hill |
| Lake Oneill Dam | San Diego | dam | 331932N | 1171930W | - | Morro Hill |
| Lake Poway | San Diego | reservoir | 330035N | 1170035W | - | Escondido |
| Lake Poway Park | San Diego | park | 330020N | 1170042W | - | Escondido |
| Lake Poway Recreation Area | San Diego | park | 330020N | 1170042W | - | Escondido |
| Lake San Marcos | San Diego | reservoir | 330633N | 1171230W | 492 | Rancho Santa Fe |
| Lake San Marcos | San Diego | pop place | 330734N | 1171227W | 520 | San Marcos |
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Lake Sutherland | San Diego | reservoir | 330706N | 1164710W | 2058 | Ramona |
| Lake Val Sereno | San Diego | reservoir | 330253N | 1171327W | 53 | Rancho Santa Fe |
| Lake Wolford | San Diego | reservoir | 331000N | 1170015W | 1480 | Valley Center |
| Lake Wohlford | San Diego | reservoir | 331000N | 1170015W | 1480 | Valley Center |
| Lake Wohlford 834 Dam | San Diego | dam | 331000N | 1170015W | - | Valley Center |
| Lake Wohlford Resort Airport | San Diego | airport | 331110N | 1170007W | 1643 | Valley Center |
| Lakeshore Loop Campground | San Diego | locale | 325147N | 1170027W | - | La Mesa |
| Lakeside | San Diego | pop place | 325126N | 1165517W | 400 | El Cajon |
| Lakeside County Park | San Diego | park | 325516N | 1165204W | - | El Cajon Mountain |
| Lakeside Farms | San Diego | pop place | 325201N | 1165621W | 390 | El Cajon |
| Lakeside Historical Society | San Diego | building | 325131N | 1165516W | - | El Cajon |
| Lakeside Post Office (Est. Feb. 4, 1887) | San Diego | post office | 325126N | 1165512W | - | El Cajon |
| Lakeview | San Diego | pop place | 325034N | 1165412W | 560 | El Cajon |
| Lakeview Park | San Diego | park | 330728N | 1171043W | - | Rancho Santa Fe |
| Lamar County Park | San Diego | park | 324426N | 1170024W | - | National City |
| Lamesa | San Diego | pop place | 324604N | 1170120W | 507 | La Mesa |
| Lamps Airport | San Diego | airport | 324520N | 1165520W | 420 | El Cajon |
| Lanaki Lane Mobile Home Park | San Diego | pop place | 330629N | 1171908W | 60 | Encinitas |
| Lancaster Mountain | San Diego | summit | 331920N | 1170801W | 1485 | Bonsall |
| Landes Park | San Diego | park | 331140N | 1171708W | - | San Luis Rey |
| Lankesheim Tunnel (historical) | San Diego | tunnel | 324928N | 1165442W | - | El Cajon |
| Lark Canyon | San Diego | valley | 324127N | 1161536W | - | Live Oak Springs |
| Las Arena Ranch (historical) | San Diego | locale | 330424N | 1162550W | 2340 | Earthquake Valley |
| Las Blancas | San Diego | bench | 324934N | 1163449W | - | Descanso |
| Las Chollas Creek | San Diego | stream | 324115N | 1170755W | - | Point Loma |
| Las Chollas Valley | San Diego | valley | 324116N | 1170806W | - | Point Loma |
| Las Choyas Valley | San Diego | valley | 324116N | 1170806W | - | Point Loma |
| Las Flores | San Diego | pop place | 331709N | 1172705W | 80 | Las Pulgas Canyon |
| Las Flores (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Las Flores Asistencia (historic landmark #616) (1823) | San Diego | locale | 331758N | 1172742W | - | Las Pulgas Canyon |
| Las Flores Creek | San Diego | stream | 331726N | 1172750W | - | Las Pulgas Canyon |
| Las Flores Marsh | San Diego | swamp | 331725N | 1172742W | - | Las Pulgas Canyon |
| Las Flores School (historical) | San Diego | school | 324328N | 1164849W | - | Dulzura |
| Las Palmas Park | San Diego | park | 324007N | 1170501W | - | National City |
| Las Penasquitas | San Diego | valley | 325421N | 1171337W | - | Del Mar |
| Las Pulgas Canyon | San Diego | valley | 331815N | 1172638W | - | Las Pulgas Canyon |
| Last Chance Mine | San Diego | mine | 325920N | 1164011W | - | Tule Springs |
| Lauderbach Park | San Diego | park | 323630N | 1170409W | - | Imperial Beach |
| Lava Flow Wash | San Diego | stream | 324658N | 1160731W | - | Sweeney Pass |
| Law Street Park | San Diego | park | 324808N | 1171531W | - | La Jolla OE W |
| Lawrence Canyon | San Diego | valley | 331228N | 1172249W | - | Oceanside |
| Lawrence Welk Resort Village | San Diego | pop place | 331354N | 1170820W | 560 | San Marcos |
| Lawrence Welks Country Club Village | San Diego | pop place | 331354N | 1170820W | 560 | San Marcos |
| Lawson Creek | San Diego | stream | 324619N | 1164753W | - | Alpine |
| Lawson Peak | San Diego | summit | 324334N | 1164332W | 3660 | Barrett Lake |
| Lawson Valley | San Diego | valley | 324459N | 1164530W | - | Dulzura |
| Lee Valley | San Diego | valley | 324245N | 1164849W | - | Dulzura |
| Leisure Lagoon | San Diego | bay | 324658N | 1171234W | - | La Jolla |
| Lemon Grove | San Diego | pop place | 324433N | 1170150W | 440 | National City |
| Lemon Grove Park | San Diego | park | 324348N | 1170119W | - | National City |
| Lemon Grove Post Office (Est. Oct. 22, 1893) | San Diego | post office | 324433N | 1170134W | - | National City |
| Lemongrove | San Diego | pop place | 324433N | 1170150W | 440 | National City |
| Lemongrove Post Office (Est. Oct. 22, 1893) | San Diego | post office | 324433N | 1170134W | - | National City |
| Leo Carillo Ranch (Rancho De Los Kiotes) (historic landmark #1020) (1940) | San Diego | locale | n/a | n/a | - | n/a |
| Letterbox Canyon | San Diego | valley | 330843N | 1171701W | - | San Luis Rey |
| Leucadia | San Diego | pop place | 330405N | 1171809W | 54 | Encinitas |
| Leucadia City Beach | San Diego | park | 330401N | 1171820W | - | Encinitas |
| Leucadia Park | San Diego | park | 330352N | 1171807W | - | Encinitas |
| Leucadia Post Office (Est. March 27, 1888) | San Diego | post office | 330409N | 1171812W | - | Encinitas |
| Leucadia State Beach | San Diego | park | 330401N | 1171820W | - | Encinitas |
| Levante School Park | San Diego | park | 330448N | 1171430W | - | Rancho Santa Fe |
| Lews Spring | San Diego | spring | 331253N | 1162734W | - | Tubb Canyon |
| Libby Lake City Park | San Diego | park | 331506N | 1171821W | - | Morro Hill |
| Libby Lake Park | San Diego | park | 331506N | 1171821W | - | Morro Hill |
| Library Park | San Diego | park | 323830N | 1170458W | - | National City |
| Lilac | San Diego | pop place | 331716N | 1170459W | 730 | Pala |
| Lilac Oaks Campground | San Diego | locale | 331618N | 1170518W | - | Pala |
| Lilac Tunnel | San Diego | tunnel | 331836N | 1170553W | - | Pala |
| Lilac Valley School (historical) | San Diego | school | 331712N | 1170458W | - | Pala |
| Lillian Hill | San Diego | summit | 325833N | 1164046W | 3160 | Tule Springs |
| Lincoln Acres | San Diego | pop place | 324004N | 1170419W | 100 | National City |
| Lincoln Acres County Park | San Diego | park | 323958N | 1170413W | - | National City |
| Lincoln Park (subdivision) | San Diego | pop place | 324215N | 1170519W | 165 | National City |
| Linda Vista | San Diego | pop place | 324700N | 1171014W | 350 | La Jolla |
| Linda Vista (historical) | San Diego | pop place | 325240N | 1171025W | 374 | Del Mar |
| Linda Vista Community Park | San Diego | park | 324732N | 1171009W | - | La Jolla |
| Linda Vista Park | San Diego | park | 324732N | 1171009W | - | La Jolla |
| Lindberg Park | San Diego | park | 324908N | 1170941W | - | La Jolla |
| Lindbergh Field | San Diego | airport | 324400N | 1171115W | 15 | Point Loma |
| Lindo Lake | San Diego | lake | 325131N | 1165457W | - | El Cajon |
| Lindo Lake County Park | San Diego | park | 325129N | 1165454W | - | El Cajon |
| Lindo Lake Park | San Diego | park | 325129N | 1165454W | - | El Cajon |
| Linen (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Lion Creek | San Diego | stream | 332042N | 1165629W | - | Boucher Hill |
| Lions Club Park | San Diego | park | 331026N | 1172148W | - | San Luis Rey |
| Lithia Spring | San Diego | spring | 331212N | 1163301W | - | Ranchita |
| Little Blair Valley | San Diego | basin | 330138N | 1162313W | - | Earthquake Valley |
| Little Borrego | San Diego | locale | 330601N | 1160728W | - | Borrego Mountain SE |
| Little Cedar Canyon | San Diego | valley | 323836N | 1165211W | - | Dulzura |
| Little Chief Mountain | San Diego | summit | 332247N | 1170253W | 1154 | Pechanga |
| Little Clark Lake | San Diego | flat | 332013N | 1161415W | - | Fonts Point |
| Little Devil Wash | San Diego | stream | 325332N | 1161017W | - | Arroyo Tapiado |
| Little Laguna Lake | San Diego | lake | 325308N | 1162711W | - | Monument Peak |
| Little Libby Lake | San Diego | lake | 331508N | 1171823W | - | Morro Hill |
| Little Potrero Creek | San Diego | stream | 323742N | 1163626W | - | Morena Reservoir |
| Little Randsburg Mine | San Diego | mine | 323922N | 1160723W | - | In-Ko-Pah Gorge |
| Little Stonewall Creek | San Diego | stream | 325849N | 1163411W | - | Cuyamaca Peak |
| Little Stonewall Peak | San Diego | summit | 325756N | 1163348W | 5250 | Cuyamaca Peak |
| Little Sycamore Canyon | San Diego | valley | 325048N | 1170150W | - | La Mesa |
Section: 20 of 39
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Little Tecate Peak | San Diego | summit | 323553N | 1164352W | 2366 | Tecate |
| Little Valley | San Diego | valley | 323733N | 1161716W | - | Live Oak Springs |
| Live Oak County Park | San Diego | park | 332139N | 1171221W | - | Bonsall |
| Live Oak Park | San Diego | park | 332139N | 1171221W | - | Bonsall |
| Live Oak Springs | San Diego | pop place | 324126N | 1162001W | 3880 | Live Oak Springs |
| Lizard Canyon | San Diego | valley | 330756N | 1162336W | - | Tubb Canyon |
| Logan Heights (subdivision) | San Diego | pop place | 324157N | 1170743W | 70 | Point Loma |
| Loki Canyon | San Diego | valley | 331241N | 1162444W | - | Tubb Canyon |
| Loma Alta Creek | San Diego | stream | 331042N | 1172201W | - | San Luis Rey |
| Loma Alta Marsh | San Diego | swamp | 331040N | 1172204W | - | San Luis Rey |
| Loma Alta Mountain | San Diego | summit | 331202N | 1171718W | 482 | San Luis Rey |
| Loma Madera Ranch Airport | San Diego | airport | 331045N | 1164733W | 3375 | Mesa Grande |
| Loma Point | San Diego | cape | 324200N | 1171445W | - | Point Loma |
| Loma Portal | San Diego | pop place | 324438N | 1171305W | 40 | Point Loma |
| Loma Verde Park | San Diego | park | 323611N | 1170251W | - | Imperial Beach |
| Lomita | San Diego | pop place | 324231N | 1170140W | 400 | National City |
| Lomita Park | San Diego | park | 324235N | 1170138W | - | National City |
| Lone Fir Point | San Diego | summit | 332029N | 1165525W | 4800 | Boucher Hill |
| Lone Pine Reservoir | San Diego | reservoir | 332540N | 1163826W | - | Beauty Mountain |
| Lone Tiger Spring | San Diego | spring | 323939N | 1161052W | - | Jacumba |
| Long Beach | San Diego | beach | 325141N | 1171516W | - | La Jolla OE W |
| Long Canyon | San Diego | valley | 323949N | 1170123W | - | National City |
| Long Canyon | San Diego | valley | 324638N | 1162652W | - | Mount Laguna |
| Long Canyon | San Diego | valley | 332646N | 1165424W | - | Vail Lake |
| Long Mine | San Diego | mine | 330935N | 1163210W | - | Ranchita |
| Long Potrero | San Diego | valley | 323743N | 1163626W | - | Morena Reservoir |
| Long Valley | San Diego | valley | 324510N | 1163201W | - | Descanso |
| Long Valley | San Diego | valley | 331341N | 1165049W | - | Mesa Grande |
| Long Valley Peak | San Diego | summit | 324749N | 1163152W | 4906 | Descanso |
| Longs Gulch | San Diego | valley | 325801N | 1165335W | - | San Vicente Reservoir |
| Lookout Point | San Diego | summit | 331352N | 1162615W | 2960 | Tubb Canyon |
| Loop Wash | San Diego | stream | 325853N | 1160857W | - | Arroyo Tapiado |
| Lopez Canyon Open Space | San Diego | park | 325430N | 1171124W | - | Del Mar |
| Lorenzo (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Los Caballos Campground | San Diego | locale | 325820N | 1163414W | - | Cuyamaca Peak |
| Los Caballos Horse Camp | San Diego | locale | 325820N | 1163414W | - | Cuyamaca Peak |
| Los Caballos Trail | San Diego | trail | 325831N | 1163427W | - | Cuyamaca Peak |
| Los Choyas Valley | San Diego | valley | 324130N | 1170717W | - | National City |
| Los Coches Creek | San Diego | stream | 325131N | 1165602W | - | El Cajon |
| Los Coches Monument | San Diego | locale | 325012N | 1165400W | - | El Cajon |
| Los Coches Tunnel (historical) | San Diego | tunnel | 325001N | 1165304W | - | El Cajon |
| Los Coyotes Indian Reservation | San Diego | reserve | 331756N | 1163316W | - | Hot Springs Mountain |
| Los Coyotes Reservation Campground | San Diego | locale | 331622N | 1163238W | 4650 | Hot Springs Mountain |
| Los Encenitos | San Diego | civil | 330405N | 1171517W | - | Encinitas |
| Los Gatos Ravine | San Diego | valley | 325223N | 1162657W | - | Mount Laguna |
| Los Huecos Reservoir | San Diego | reservoir | 325246N | 1162620W | - | Monument Peak |
| Los Jilgueros Preserve | San Diego | park | 332131N | 1171443W | - | Bonsall |
| Los Monos Canyon | San Diego | valley | 330829N | 1171557W | - | San Luis Rey |
| Los Ninos Park | San Diego | park | 323556N | 1170237W | - | Imperial Beach |
| Los Penasquitos | San Diego | civil | 325734N | 1170645W | - | Poway |
| Los Penasquitos Canyon | San Diego | valley | 325421N | 1171337W | - | Del Mar |
| Los Penasquitos Canyon | San Diego | stream | 325657N | 1170407W | - | Poway |
| Los Penasquitos Canyon Preserve | San Diego | park | 325616N | 1171030W | - | Del Mar |
| Los Penasquitos Creek | San Diego | stream | 325605N | 1171540W | - | Del Mar OE W |
| Los Penasquitos Creek | San Diego | stream | 325657N | 1170408W | - | Poway |
| Los Penasquitos Lagoon | San Diego | lake | 325546N | 1171508W | - | Del Mar OE W |
| Los Penasquitos Marsh | San Diego | swamp | 325530N | 1171438W | - | Del Mar |
| Los Pinos Mountain | San Diego | summit | 324403N | 1163435W | 4805 | Morena Reservoir |
| Los Puertecitos (historic landmark #635) | San Diego | gap | n/a | n/a | - | n/a |
| Los Puertecitos Historical Marker (historic landmark #635) | San Diego | park | 330823N | 1160614W | 164 | Shell Reef |
| Los Rasalies Ravine | San Diego | valley | 325225N | 1162752W | - | Mount Laguna |
| Los Terrentos | San Diego | pop place | 325005N | 1163716W | 3299 | Descanso |
| Los Tules | San Diego | pop place | 331700N | 1163713W | 3400 | Hot Springs Mountain |
| Los Vallecitos | San Diego | valley | 330713N | 1171218W | - | Rancho Santa Fe |
| Los Vaqueros Group Camp | San Diego | locale | 325805N | 1163329W | - | Cuyamaca Peak |
| Los Vaqueros Group Horse Camp | San Diego | locale | 325805N | 1163329W | - | Cuyamaca Peak |
| Lost Lake | San Diego | lake | 331613N | 1164201W | - | Warner Springs |
| Lost Spring | San Diego | spring | 331119N | 1163136W | - | Ranchita |
| Lost Valley | San Diego | valley | 324538N | 1161613W | - | Sombrero Peak |
| Lost Valley | San Diego | valley | 332105N | 1163451W | - | Hot Springs Mountain |
| Louis A Stelzer County Park | San Diego | park | 325244N | 1165345W | - | San Vicente Reservoir |
| Love Valley | San Diego | basin | 331514N | 1164635W | - | Palomar Observatory |
| Loveland Reservoir | San Diego | reservoir | 324653N | 1164733W | 1355 | Alpine |
| Lower Atay Lake | San Diego | reservoir | 323638N | 1165526W | 491 | Otay Mesa |
| Lower Borego Valley | San Diego | valley | 330505N | 1160350W | - | Borrego Mountains SE |
| Lower Borrego Valley | San Diego | valley | 330505N | 1160350W | - | Borrego Mountains SE |
| Lower Doane Trail | San Diego | trail | 332049N | 1165421W | - | Boucher Hill |
| Lower Doane Valley | San Diego | valley | 332057N | 1165440W | - | Boucher Hill |
| Lower French Valley | San Diego | valley | 332056N | 1165440W | - | Boucher Hill |
| Lower Hellhole | San Diego | valley | 331412N | 1165732W | - | Rodriguez Mountain |
| Lower Otay Camping Area | San Diego | locale | 323627N | 1165543W | - | Otay Mesa |
| Lower Otay Lake | San Diego | reservoir | 323638N | 1165526W | 491 | Otay Mesa |
| Lower Otay Lake County Park | San Diego | park | 323623N | 1165546W | - | Otay Mesa |
| Lower Otay Reservoir | San Diego | reservoir | 323636N | 11655236W | 491 | Otay Mesa |
| Lower Otay Reservoir | San Diego | reservoir | 323638N | 1165526W | 491 | Otay Mesa |
| Lower Willow Springs (historic landmark #785) (March 14, 1774) | San Diego | spring | 332223N | 1162624W | - | Borrego Palm Canyon |
| Lower Willows | San Diego | flat | 332233N | 1162630W | - | Collins Valley |
| Lucas Creek | San Diego | stream | 325436N | 1162908W | - | Monument Peak |
| Lucky Five Ranch | San Diego | locale | 325625N | 1163046W | 4697 | Cuyamaca Peak |
| Lucky Pardner Mine | San Diego | mine | 330424N | 1163418W | - | Julian |
| Lucky Strike Mine | San Diego | mine | 330243N | 1163234W | - | Julian |
| Lupe Spring | San Diego | spring | 323522N | 1164605W | - | Otay Mountain |
| Lusardi Canyon | San Diego | valley | 331559N | 1164912W | - | Palomar Observatory |
| Lusardi Creek | San Diego | stream | 330043N | 1171024W | - | Rancho Santa Fe |
| Lusardi Truck Trail | San Diego | trail | 331403N | 1164923W | - | Mesa Grande |
| Lux Canyon | San Diego | valley | 330101N | 1171513W | - | Encinitas |
| Lyall-Roberts Airport | San Diego | airport | 331928N | 1165925W | 925 | Boucher Hill |
| Lycium Wash | San Diego | stream | 325930N | 1160755W | - | Arroyo Tapiado |
| Lynwood Hills | San Diego | pop place | 323843N | 1170303W | 260 | National City |
| Lyons Peak | San Diego | summit | 324207N | 1164546W | 3720 | Dulzura |
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