Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Carbon Creek | Stream | | Orange | 33 48 54 N | 118 04 18 W |
| Carbona | Populated Place | 42 | San Joaquin | 37 41 46 N | 121 24 44 W |
| Carbonate Gulch | Valley | | San Bernardino | 34 32 08 N | 115 16 51 W |
| Carbonate King Mine | Mine | 1747 | San Bernardino | 35 25 17 N | 115 29 44 W |
| Carbonate Peak | Summit | 1554 | San Bernardino | 34 33 31 N | 115 11 28 W |
| Carbonate Prospect | Mine | 754 | Kern | 35 16 23 N | 118 02 37 W |
| Carbondale | Populated Place | 68 | Amador | 38 24 32 N | 121 00 25 W |
| Carbondale (historical) | Populated Place | 290 | Orange | 33 45 12 N | 117 40 38 W |
| Carbondale School (historical) | School | 78 | Amador | 38 25 43 N | 121 00 30 W |
| Carbonera Creek | Stream | | Santa Cruz | 36 58 27 N | 122 01 20 W |
| Card Place | Populated Place | 251 | Mendocino | 39 48 29 N | 123 24 17 W |
| Carden El Encanto School | School | 36 | Santa Clara | 37 19 59 N | 121 58 40 W |
| Carden Elementary School | School | 22 | San Mateo | 37 34 46 N | 122 22 10 W |
| Carden Elementary School | School | 58 | Ventura | 34 14 10 N | 119 02 43 W |
| Carden School | School | 101 | Fresno | 36 48 60 N | 119 46 56 W |
| Carden School | School | 173 | Kern | 35 22 37 N | 118 54 59 W |
| Carden School | School | 270 | Riverside | 33 57 24 N | 117 22 55 W |
| Carden School of Sacramento | School | 19 | Sacramento | 38 37 02 N | 121 23 34 W |
| Carden Sunrise Christian School | School | 50 | Sacramento | 38 42 01 N | 121 16 50 W |
| Carden Sunrise Elementary School (historical) | School | 55 | Sacramento | 38 42 20 N | 121 16 16 W |
| Cardenas Creek | Stream | | Mendocino | 39 57 01 N | 123 09 31 W |
| Carder Ranch | Locale | 1027 | Los Angeles | 34 28 58 N | 118 06 48 W |
| Carder School | School | 4 | San Joaquin | 38 01 13 N | 121 19 36 W |
| Cardiac Hill | Summit | 413 | Marin | 37 53 51 N | 122 36 06 W |
| Cardiff Branch San Diego County Library | Building | 20 | San Diego | 33 01 19 N | 117 16 57 W |
| Cardiff Elementary School | School | 33 | San Diego | 33 01 31 N | 117 16 59 W |
| Cardiff State Beach | Park | 2 | San Diego | 33 00 36 N | 117 16 45 W |
| Cardiff-by-the-Sea | Populated Place | 23 | San Diego | 33 01 18 N | 117 16 52 W |
| Cardiff-By-The-Sea Towne Centre Shopping Center | Building | 22 | San Diego | 33 01 20 N | 117 16 56 W |
| Cardinal Cogen Center | Building | 27 | Santa Clara | 37 25 47 N | 122 10 35 W |
| Cardinal Lake | Lake | 3495 | Fresno | 36 59 58 N | 118 25 49 W |
| Cardinal Mine | Mine | 2636 | Inyo | 37 13 33 N | 118 36 13 W |
| Cardinal Mountain | Summit | 3921 | Fresno | 36 59 58 N | 118 24 53 W |
| Cardinal Newman High School for Boys | School | 53 | Sonoma | 38 29 42 N | 122 44 24 W |
| Cardinal Oaks Park | Park | 30 | Sacramento | 38 36 42 N | 121 20 23 W |
| Cardinelle Mine | Mine | 463 | Tuolumne | 37 59 40 N | 120 27 44 W |
| Cardoza Elementary School | School | 43 | Stanislaus | 37 44 12 N | 120 55 53 W |
| Cardoza Lake | Lake | 108 | Stanislaus | 37 38 44 N | 120 27 24 W |
| Cardoza Ridge | Ridge | 223 | Stanislaus | 37 38 06 N | 120 25 41 W |
| Cardoza Shopping Center | Locale | 11 | San Joaquin | 37 48 42 N | 121 13 02 W |
| Cardwell Point | Cape | 6 | Santa Barbara | 34 01 20 N | 120 17 45 W |
| Careaga Canyon | Valley | | Santa Barbara | 34 46 53 N | 120 22 33 W |
| Carefree Mobile Village | Populated Place | 269 | Riverside | 33 55 26 N | 116 33 46 W |
| Carefree Ranch Mobile Home Park (subdivision) | Populated Place | 213 | San Diego | 33 08 16 N | 117 02 39 W |
| Carey Camp Creek | Stream | | Marin | 37 58 42 N | 122 36 56 W |
| Carey Canyon | Valley | | Yolo | 38 43 46 N | 122 10 13 W |
| Carey Elementary School | School | 16 | San Mateo | 37 32 41 N | 122 19 06 W |
| Carey Gulch | Valley | | Butte | 39 44 15 N | 121 19 26 W |
| Carey Ridge | Ridge | 1247 | Trinity | 41 04 32 N | 123 18 21 W |
| Careys Castle | Mine | 940 | Riverside | 33 44 23 N | 115 41 11 W |
| Cargo Mine | Mine | 208 | Imperial | 32 50 03 N | 114 46 47 W |
| Cargo Muchacho Mountains | Range | 252 | Imperial | 32 52 05 N | 114 46 49 W |
| Cargyle Creek | Stream | | Madera | 37 31 56 N | 119 10 50 W |
| Cargyle Meadow | Flat | 2419 | Madera | 37 34 27 N | 119 09 32 W |
| Caribou | Populated Place | 1002 | Plumas | 40 04 50 N | 121 09 28 W |
| Caribou Afterbay 97-120 Dam | Dam | 945 | Plumas | 40 04 42 N | 121 09 40 W |
| Caribou Creek | Stream | | San Bernardino | 34 16 12 N | 116 49 53 W |
| Caribou Creek | Stream | | Siskiyou | 41 03 47 N | 123 01 00 W |
| Caribou Gulch | Valley | | Siskiyou | 41 03 55 N | 122 57 16 W |
| Caribou Lake | Lake | 2003 | Lassen | 40 30 13 N | 121 10 13 W |
| Caribou Lake | Lake | 2080 | Siskiyou | 41 01 13 N | 122 58 35 W |
| Caribou Lake 234 Dam | Dam | 2000 | Lassen | 40 30 12 N | 121 09 52 W |
| Caribou Meadows | Area | 1921 | Siskiyou | 41 02 59 N | 122 57 09 W |
| Caribou Mountain | Summit | 2542 | Siskiyou | 41 01 50 N | 122 57 32 W |
| Caribou Peak | Summit | 2104 | Lassen | 40 32 03 N | 121 11 23 W |
| Caribou Peak Wild Area | Locale | 2159 | Lassen | 40 31 35 N | 121 12 29 W |
| Caribou Wilderness | Reserve | 2166 | Lassen | 40 30 03 N | 121 12 49 W |
| Caric | Locale | 90 | Tulare | 35 49 55 N | 119 15 43 W |
| Carillo Post Office (historical) | Post Office | 29 | Sonoma | 38 25 25 N | 122 47 17 W |
| Cariso Truck Trail | Trail | 674 | Riverside | 33 39 42 N | 117 24 19 W |
| Carkeet Community Park | Park | 687 | Tuolumne | 38 01 46 N | 120 23 22 W |
| Carl B Munck Elementary School | School | 222 | Alameda | 37 47 42 N | 122 10 25 W |
| Carl E Gilbert Elementary School | School | 21 | Orange | 33 52 03 N | 118 00 25 W |
| Carl E Nielsen Youth Park | Park | 34 | Los Angeles | 33 57 22 N | 118 23 20 W |
| Carl H Sundahl Elementary School | School | 111 | Sacramento | 38 42 01 N | 121 10 24 W |
| Carl Hansen Park | Park | 10 | Sacramento | 38 39 47 N | 121 28 13 W |
| Carl Harvey School | School | 17 | Orange | 33 43 28 N | 117 53 47 W |
| Carl Holton School | School | 13 | San Joaquin | 37 53 53 N | 121 11 33 W |
| Carl Lake | Lake | 1355 | Tulare | 36 14 37 N | 118 44 36 W |
| Carl Spring | Spring | 1036 | San Diego | 32 48 12 N | 116 37 30 W |
| Carl Thornton Park | Park | 8 | Orange | 33 42 29 N | 117 53 37 W |
| Carl W Mischke Memorial Library | Building | 121 | Los Angeles | 34 06 29 N | 118 03 12 W |
| Carleton Station (historical) | Locale | 7 | Alameda | 37 51 22 N | 122 17 50 W |
| Carley V Porter Tunnel | Tunnel | 1183 | Kern | 34 51 36 N | 118 44 25 W |
| Carlin C Coppin Elementary School | School | 53 | Placer | 38 54 07 N | 121 17 07 W |
| Carlin Canyon | Valley | | Santa Clara | 37 13 24 N | 121 38 39 W |
| Carlin Military Academy (historical) | School | 279 | Los Angeles | 34 09 00 N | 117 51 48 W |
| Carlin Smith Playground | Park | 194 | Los Angeles | 34 06 02 N | 118 12 40 W |
| Carlmont Christian Center | Church | 17 | San Mateo | 37 29 52 N | 122 15 38 W |
| Carlmont High School | School | 68 | San Mateo | 37 30 23 N | 122 17 27 W |
| Carlmont Village Shopping Center | Locale | 42 | San Mateo | 37 30 40 N | 122 17 35 W |
| Carlon Campground | Locale | 1318 | Tuolumne | 37 48 43 N | 119 51 41 W |
| Carlon Station | Locale | 1316 | Tuolumne | 37 48 53 N | 119 51 44 W |
| Carlos Bee Park | Park | 47 | Alameda | 37 41 00 N | 122 04 56 W |
| Carlos Canyon | Valley | | Los Angeles | 34 40 05 N | 118 47 33 W |
| Carlos Junior Mine | Mine | 1102 | Riverside | 34 01 21 N | 115 59 14 W |
| Carlotta | Populated Place | 40 | Humboldt | 40 32 14 N | 124 03 38 W |
| Carlsbad | Populated Place | 16 | San Diego | 33 09 29 N | 117 21 02 W |
| Carlsbad Chamber of Commerce | Building | 13 | San Bernardino | 33 09 35 N | 117 20 58 W |
| Carlsbad City Hall | Building | 34 | San Diego | 33 09 52 N | 117 20 27 W |
| Carlsbad City Library | Building | 38 | San Diego | 33 09 53 N | 117 20 25 W |
| Carlsbad Community Church | Church | 20 | San Diego | 33 09 35 N | 117 20 35 W |
| Carlsbad High School | School | 61 | San Diego | 33 09 44 N | 117 19 41 W |
| Carlsbad Plaza Shopping Center | Locale | 10 | San Diego | 33 10 47 N | 117 19 33 W |
| Carlsbad Plaza South Shopping Center | Locale | 14 | San Diego | 33 10 34 N | 117 19 31 W |
| Carlsbad Post Office | Post Office | 14 | San Diego | 33 09 41 N | 117 20 56 W |
| Carlsbad Senior Center | Building | 18 | San Diego | 33 09 32 N | 117 20 38 W |
| Carlsbad Spring | Spring | 632 | Lake | 38 55 05 N | 122 48 00 W |
| Carlsbad Trailer Park (subdivision) | Populated Place | 16 | San Diego | 33 09 11 N | 117 20 34 W |
| Carlsbad Visitors Center | Building | 13 | San Diego | 33 09 33 N | 117 20 55 W |