Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Mountain Empire School (historical) | School | 974 | San Diego | 32 44 29 N | 116 28 42 W |
| Mountain Gate | Populated Place | 274 | Shasta | 40 42 59 N | 122 19 54 W |
| Mountain Gate Community Park | Park | 329 | Riverside | 33 50 37 N | 117 34 20 W |
| Mountain Gate Plaza Shopping Center | Locale | 244 | Ventura | 34 16 25 N | 118 46 34 W |
| Mountain Gate Tunnel | Mine | 1190 | Placer | 39 08 57 N | 120 43 07 W |
| Mountain Glen Campground | Locale | 2603 | Inyo | 37 13 26 N | 118 33 58 W |
| Mountain Grove School (historical) | School | 811 | Shasta | 40 37 49 N | 121 51 28 W |
| Mountain High School | School | 1740 | San Bernardino | 34 13 48 N | 117 12 43 W |
| Mountain Home | Locale | 1587 | Lassen | 40 41 51 N | 121 18 39 W |
| Mountain Home | Populated Place | 284 | Santa Clara | 37 07 16 N | 121 47 45 W |
| Mountain Home | Populated Place | 1835 | Tulare | 36 14 05 N | 118 41 45 W |
| Mountain Home Campground | Locale | 2012 | San Bernardino | 34 07 25 N | 116 57 55 W |
| Mountain Home Conservation Camp | Locale | 1371 | Tulare | 36 12 27 N | 118 42 49 W |
| Mountain Home Creek | Stream | | San Bernardino | 34 06 01 N | 117 00 07 W |
| Mountain Home Grove | Woods | 1969 | Tulare | 36 14 24 N | 118 40 18 W |
| Mountain Home Peak | Summit | 1768 | San Bernardino | 34 07 14 N | 116 59 48 W |
| Mountain Home Spring | Spring | 1967 | Riverside | 33 32 21 N | 116 28 59 W |
| Mountain Home Spring | Spring | 1245 | Shasta | 40 32 05 N | 121 43 19 W |
| Mountain Home State Forest | Locale | 1985 | Tulare | 36 14 24 N | 118 40 20 W |
| Mountain Home Village | Populated Place | 1125 | San Bernardino | 34 06 02 N | 116 59 57 W |
| Mountain House | Locale | 65 | Alameda | 37 45 15 N | 121 34 32 W |
| Mountain House | Locale | 1078 | Butte | 39 42 23 N | 121 19 26 W |
| Mountain House | Locale | 1402 | Siskiyou | 41 24 48 N | 122 37 51 W |
| Mountain House | Populated Place | 19 | San Joaquin | 37 47 00 N | 121 32 34 W |
| Mountain House Creek | Stream | | Butte | 39 43 01 N | 121 17 50 W |
| Mountain House Creek | Stream | | San Joaquin | 37 47 53 N | 121 31 31 W |
| Mountain House Creek | Stream | | Siskiyou | 41 24 53 N | 122 37 34 W |
| Mountain House Elementary School | School | 28 | Alameda | 37 47 14 N | 121 34 38 W |
| Mountain House Trail | Trail | 806 | Butte | 39 42 50 N | 121 18 01 W |
| Mountain King 501 Dam | Dam | 320 | Calaveras | 37 59 54 N | 120 42 04 W |
| Mountain King Mine | Mine | 354 | Calaveras | 38 00 31 N | 120 41 46 W |
| Mountain King Mine | Mine | 412 | Mariposa | 37 37 26 N | 120 01 53 W |
| Mountain Lake | Lake | 37 | San Francisco | 37 47 17 N | 122 28 16 W |
| Mountain Lake | Lake | 176 | Tehama | 40 18 28 N | 122 10 29 W |
| Mountain Lake Park | Park | 48 | San Francisco | 37 47 14 N | 122 28 10 W |
| Mountain Lily Mine | Mine | 511 | Tuolumne | 38 03 56 N | 120 20 55 W |
| Mountain Lutheran Worship Church | Church | 889 | Tuolumne | 37 49 34 N | 120 15 18 W |
| Mountain Meadow | Flat | 3066 | Fresno | 37 04 04 N | 118 48 49 W |
| Mountain Meadow | Flat | 2672 | Fresno | 36 59 01 N | 118 46 59 W |
| Mountain Meadow | Flat | 2130 | Placer | 39 03 26 N | 120 22 16 W |
| Mountain Meadow Lake | Lake | 2415 | Placer | 39 13 01 N | 120 16 26 W |
| Mountain Meadow Ranch | Locale | 1542 | Siskiyou | 41 04 17 N | 122 56 20 W |
| Mountain Meadows | Flat | 1540 | Lassen | 40 16 54 N | 120 56 19 W |
| Mountain Meadows | Flat | 1540 | Lassen | 40 14 16 N | 120 55 04 W |
| Mountain Meadows | Flat | 1207 | San Diego | 33 00 49 N | 116 37 15 W |
| Mountain Meadows Country Club | Locale | 338 | Los Angeles | 34 04 56 N | 117 46 53 W |
| Mountain Meadows Creek | Stream | | Lassen | 40 15 39 N | 120 55 37 W |
| Mountain Meadows Reservoir | Reservoir | 1539 | Lassen | 40 17 02 N | 121 01 29 W |
| Mountain Meadows School | School | 158 | Ventura | 34 16 12 N | 118 53 42 W |
| Mountain Mesa | Populated Place | 805 | Kern | 35 38 22 N | 118 24 20 W |
| Mountain Mesa Park | Park | 815 | Kern | 35 38 12 N | 118 24 30 W |
| Mountain Mine | Mine | 2047 | Alpine | 38 35 44 N | 119 46 35 W |
| Mountain Mine | Mine | 2137 | Sierra | 39 35 53 N | 120 37 51 W |
| Mountain Oak Spring | Spring | 1228 | Kern | 35 16 01 N | 118 32 28 W |
| Mountain Palm Springs | Spring | 313 | San Diego | 32 51 51 N | 116 14 00 W |
| Mountain Palm Springs Area | Area | 328 | San Diego | 32 51 46 N | 116 13 39 W |
| Mountain Palm Springs Campground | Locale | 318 | San Diego | 32 51 51 N | 116 14 01 W |
| Mountain Park | Park | 175 | Marin | 37 58 57 N | 122 31 46 W |
| Mountain Pass | Populated Place | 1440 | San Bernardino | 35 28 13 N | 115 32 42 W |
| Mountain Pass Creek | Stream | | Tuolumne | 37 52 12 N | 120 32 23 W |
| Mountain Pass Mine | Mine | 1443 | San Bernardino | 35 28 40 N | 115 31 54 W |
| Mountain Plaza Shopping Center | Locale | 475 | San Bernardino | 34 07 20 N | 117 40 16 W |
| Mountain Ranch | Locale | 1807 | Tulare | 36 14 03 N | 118 41 44 W |
| Mountain Ranch | Populated Place | 651 | Calaveras | 38 13 42 N | 120 32 27 W |
| Mountain Ranch Lutheran Church | Church | 646 | Calaveras | 38 13 42 N | 120 32 31 W |
| Mountain Ranch Mine | Mine | 674 | Calaveras | 38 13 52 N | 120 33 27 W |
| Mountain Ranch Subdivision | Populated Place | 349 | Calaveras | 38 11 49 N | 120 38 43 W |
| Mountain Rest Guard Station | Locale | 1233 | Fresno | 37 03 14 N | 119 22 22 W |
| Mountain Rest Station | Locale | 1252 | Fresno | 37 03 15 N | 119 22 19 W |
| Mountain Retreat | Populated Place | 1235 | Calaveras | 38 15 12 N | 120 19 37 W |
| Mountain Rock | Pillar | 176 | Sonoma | 38 20 04 N | 123 00 53 W |
| Mountain School | Locale | 938 | Shasta | 40 47 40 N | 121 53 50 W |
| Mountain School | School | 111 | Del Norte | 41 50 47 N | 123 57 47 W |
| Mountain School | School | 712 | Lake | 38 54 42 N | 122 45 57 W |
| Mountain School (historical) | School | 222 | Sonoma | 38 18 03 N | 122 35 55 W |
| Mountain School (historical) | School | 99 | Yolo | 38 40 57 N | 122 04 06 W |
| Mountain Shadow Cemetery | Cemetery | 626 | Tuolumne | 37 59 21 N | 120 22 08 W |
| Mountain Shadows Golf Course | Locale | 31 | Sonoma | 38 21 37 N | 122 41 59 W |
| Mountain Shadows Middle School | School | 443 | Riverside | 33 49 53 N | 117 07 42 W |
| Mountain Shadows Plaza Shopping Center | Locale | 425 | San Bernardino | 34 08 05 N | 117 12 28 W |
| Mountain Shadows Ranch | Locale | 514 | San Diego | 32 44 15 N | 116 48 58 W |
| Mountain Shadows Recreational Vehicle Resort | Locale | 462 | Riverside | 33 43 42 N | 117 01 01 W |
| Mountain Spring | Locale | 746 | San Diego | 32 40 25 N | 116 06 31 W |
| Mountain Spring | Spring | 706 | Imperial | 32 40 29 N | 116 06 20 W |
| Mountain Spring | Spring | 1341 | Inyo | 35 56 56 N | 117 34 00 W |
| Mountain Spring Camp | Locale | 841 | San Bernardino | 34 49 48 N | 115 03 11 W |
| Mountain Spring Creek | Stream | | Amador | 38 18 27 N | 120 52 49 W |
| Mountain Spring House | Locale | 1390 | Plumas | 39 42 51 N | 121 12 36 W |
| Mountain Spring House Ridge | Ridge | 1268 | Butte | 39 42 35 N | 121 13 50 W |
| Mountain Springs Canyon | Valley | | Inyo | 35 56 04 N | 117 36 07 W |
| Mountain Springs County Park | Park | 744 | San Diego | 32 40 29 N | 116 06 30 W |
| Mountain Springs Creek | Stream | | Contra Costa | 37 51 25 N | 121 54 08 W |
| Mountain Springs Summit | Gap | 841 | San Bernardino | 34 49 49 N | 115 03 04 W |
| Mountain Square Shopping Center | Locale | 359 | San Bernardino | 34 05 22 N | 117 40 15 W |
| Mountain Theater | Locale | 599 | Marin | 37 54 45 N | 122 36 31 W |
| Mountain Top | Summit | 520 | Calaveras | 37 57 43 N | 120 34 27 W |
| Mountain Top Junction | Populated Place | 1462 | San Bernardino | 34 23 25 N | 117 34 34 W |
| Mountain Top Mine | Mine | 214 | Shasta | 40 35 15 N | 122 27 03 W |
| Mountain Top Trail | Trail | 699 | Marin | 37 55 07 N | 122 36 29 W |
| Mountain Trail | Trail | 466 | Sonoma | 38 20 43 N | 122 33 37 W |
| Mountain Vale Ranch | Locale | 1266 | San Diego | 33 06 19 N | 116 36 16 W |
| Mountain Valley | Valley | | Stanislaus | 37 10 51 N | 121 12 26 W |
| Mountain Valley Airport | Airport | 1279 | Kern | 35 06 03 N | 118 25 26 W |
| Mountain Valley Memorial Park Cemetery | Cemetery | 926 | San Bernardino | 34 08 03 N | 116 21 03 W |
| Mountain View | Populated Place | 33 | Contra Costa | 38 00 32 N | 122 07 03 W |
| Mountain View | Populated Place | 934 | San Bernardino | 34 30 23 N | 117 21 31 W |
| Mountain View | Populated Place | 32 | Santa Clara | 37 23 10 N | 122 05 02 W |
| Mountain View (subdivision) | Populated Place | 28 | San Diego | 32 41 57 N | 117 06 46 W |
| Mountain View Acres | Populated Place | 937 | San Bernardino | 34 29 48 N | 117 20 56 W |
| Mountain View Adult Education Center | School | 21 | Santa Clara | 37 23 48 N | 122 03 33 W |