Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Warm Spring Creek | Stream | | Fergus | 47 19 59 N | 109 42 32 W |
| Warm Spring Creek | Stream | | Powell | 46 36 18 N | 112 33 03 W |
| Warm Spring Creek School (historical) | School | 1099 | Fergus | 47 14 25 N | 109 34 24 W |
| Warm Springs | Locale | 1467 | Deer Lodge | 46 10 53 N | 112 47 05 W |
| Warm Springs | Populated Place | 1467 | Deer Lodge | 46 10 53 N | 112 47 05 W |
| Warm Springs | Spring | 1733 | Madison | 45 14 07 N | 112 08 09 W |
| Warm Springs | Spring | 1868 | Madison | 45 36 06 N | 111 54 06 W |
| Warm Springs Bridge Fishing Access Site | Locale | 1460 | Deer Lodge | 46 11 14 N | 112 46 15 W |
| Warm Springs Campground | Locale | 1357 | Ravalli | 45 50 35 N | 114 02 24 W |
| Warm Springs Canal | Canal | 1261 | Gallatin | 45 53 12 N | 111 22 59 W |
| Warm Springs Cow Camp | Locale | 1965 | Madison | 45 04 10 N | 111 55 50 W |
| Warm Springs Creek | Stream | | Beaverhead | 44 49 23 N | 112 59 45 W |
| Warm Springs Creek | Stream | | Beaverhead | 44 32 23 N | 112 28 33 W |
| Warm Springs Creek | Stream | | Beaverhead | 45 22 38 N | 113 25 52 W |
| Warm Springs Creek | Stream | | Broadwater | 46 10 05 N | 111 29 31 W |
| Warm Springs Creek | Stream | | Deer Lodge | 46 11 12 N | 112 46 18 W |
| Warm Springs Creek | Stream | | Jefferson | 46 27 04 N | 111 59 11 W |
| Warm Springs Creek | Stream | | Judith Basin | 46 51 35 N | 110 32 31 W |
| Warm Springs Creek | Stream | | Madison | 45 01 48 N | 111 58 10 W |
| Warm Springs Creek | Stream | | Meagher | 46 22 20 N | 110 37 41 W |
| Warm Springs Creek | Stream | | Missoula | 46 55 40 N | 113 40 46 W |
| Warm Springs Creek | Stream | | Phillips | 47 49 37 N | 108 35 11 W |
| Warm Springs Creek | Stream | | Powell | 46 32 25 N | 112 50 46 W |
| Warm Springs Creek | Stream | | Ravalli | 45 51 35 N | 114 01 34 W |
| Warm Springs Creek | Stream | | Sanders | 47 36 55 N | 114 35 18 W |
| Warm Springs Creek Bridge | Bridge | 1468 | Deer Lodge | 46 10 50 N | 112 47 11 W |
| Warm Springs Ditch | Canal | 1464 | Madison | 45 24 23 N | 112 26 44 W |
| Warm Springs School (historical) | School | 1467 | Deer Lodge | 46 10 53 N | 112 47 05 W |
| Warm Springs State Hospital | Hospital | 1471 | Deer Lodge | 46 10 52 N | 112 47 29 W |
| Warm Springs State Wildlife Management Area | Park | 1453 | Deer Lodge | 46 11 52 N | 112 46 05 W |
| Warm Springs Tailing Dam Number 1 | Dam | 1464 | Deer Lodge | 46 10 54 N | 112 46 27 W |
| Warm Springs Tailing Dam Number 2 | Dam | 1469 | Deer Lodge | 46 10 30 N | 112 46 33 W |
| Warm Springs Tailing Dam Number 3 | Dam | 1475 | Deer Lodge | 46 09 30 N | 112 46 33 W |
| Warm Springs Trailhead | Locale | 1486 | Ravalli | 45 48 39 N | 114 04 06 W |
| Warman School (historical) | School | 968 | Big Horn | 45 20 17 N | 107 51 27 W |
| Warmbrod Dam | Dam | 679 | Roosevelt | 48 07 06 N | 105 46 20 W |
| Warmbrod School (historical) | School | 728 | Roosevelt | 48 09 15 N | 105 47 25 W |
| Warmsprings Post Office | Post Office | 1470 | Deer Lodge | 46 10 54 N | 112 47 21 W |
| Warneke Coulee | Valley | | Blaine | 48 00 20 N | 108 50 18 W |
| Warneke Flat | Flat | 1115 | Blaine | 48 00 04 N | 108 44 45 W |
| Warneke Spring | Spring | 1159 | Blaine | 47 58 36 N | 108 43 44 W |
| Warner Creek | Stream | | Jefferson | 46 16 37 N | 111 47 48 W |
| Warner Hill | Summit | 1493 | Cascade | 47 15 47 N | 111 52 01 W |
| Warner Hill | Summit | 1398 | Stillwater | 45 44 36 N | 109 26 23 W |
| Warr (historical) | Populated Place | 1255 | Fergus | 46 49 55 N | 108 49 25 W |
| Warren | Locale | 1347 | Carbon | 45 03 36 N | 108 39 30 W |
| Warren | Populated Place | 1347 | Carbon | 45 03 36 N | 108 39 30 W |
| Warren Creek | Stream | | Chouteau | 47 27 03 N | 110 23 57 W |
| Warren Creek | Stream | | Missoula | 46 54 36 N | 113 23 41 W |
| Warren Creek | Stream | | Powell | 47 00 05 N | 113 11 18 W |
| Warren Lake | Lake | 2581 | Deer Lodge | 45 58 37 N | 113 25 04 W |
| Warren Memorial Park | Park | 637 | Valley | 48 08 13 N | 106 21 23 W |
| Warren Pass | Gap | 2629 | Granite | 45 59 37 N | 113 27 19 W |
| Warren Peak | Summit | 3172 | Granite | 45 59 12 N | 113 27 37 W |
| Warren Post Office (historical) | Post Office | 1347 | Carbon | 45 03 36 N | 108 39 30 W |
| Warren School | School | 1141 | Lewis and Clark | 46 38 05 N | 111 57 10 W |
| Warren School (historical) | School | 1347 | Carbon | 45 03 35 N | 108 39 20 W |
| Warren Weaver Number 1 Dam | Dam | 915 | Fergus | 47 21 12 N | 108 21 20 W |
| Warren Weaver Number 2 Dam | Dam | 891 | Fergus | 47 21 54 N | 108 20 44 W |
| Warrick | Populated Place | 1198 | Chouteau | 48 04 18 N | 109 36 22 W |
| Warrick Post Office (historical) | Post Office | 1198 | Chouteau | 48 04 18 N | 109 36 22 W |
| Warrick School | School | 1197 | Chouteau | 48 04 15 N | 109 36 29 W |
| Warrior Creek | Stream | | Flathead | 47 50 47 N | 113 36 59 W |
| Warrior Mountain | Summit | 2367 | Flathead | 47 49 14 N | 113 39 44 W |
| Warsaw Post Office (historical) | Post Office | 901 | Liberty | 48 19 60 N | 110 50 23 W |
| Warwhoop Springs | Spring | 2209 | Madison | 45 15 04 N | 112 11 57 W |
| Wasa Mine | Mine | 1960 | Granite | 46 29 53 N | 113 05 41 W |
| Wash Bowl Butte | Summit | 1362 | Stillwater | 45 34 15 N | 109 13 38 W |
| Washboard Reef | Ridge | 2385 | Teton | 47 56 25 N | 112 53 43 W |
| Washburn Mountain | Summit | 2546 | Sweet Grass | 45 29 48 N | 109 57 44 W |
| Washington (historical) | Locale | 1600 | Madison | 45 28 60 N | 111 46 33 W |
| Washington Bar Placer Mine | Mine | 1779 | Madison | 45 30 13 N | 111 49 44 W |
| Washington Bar Post Office (historical) | Post Office | 1600 | Madison | 45 28 60 N | 111 46 33 W |
| Washington Bench School (historical) | School | 1085 | Fergus | 47 18 03 N | 109 47 18 W |
| Washington Creek | Stream | | Madison | 45 30 48 N | 111 49 14 W |
| Washington Creek | Stream | | Powell | 46 45 52 N | 112 44 23 W |
| Washington Creek Group Placer Mine | Mine | 1957 | Madison | 45 30 08 N | 111 51 23 W |
| Washington Creek Mine | Mine | 1883 | Powell | 46 47 60 N | 112 38 03 W |
| Washington Elementary School | School | 1381 | Park | 45 39 35 N | 110 34 16 W |
| Washington Gulch (historical) | Locale | 1492 | Powell | 46 46 05 N | 112 41 03 W |
| Washington Gulch Post Office (historical) | Post Office | 1492 | Powell | 46 46 05 N | 112 41 03 W |
| Washington Gulch School (historical) | School | 1492 | Powell | 46 46 05 N | 112 41 03 W |
| Washington Middle School | School | 724 | Custer | 46 24 36 N | 105 50 52 W |
| Washington Mine | Mine | 1833 | Jefferson | 46 21 39 N | 112 08 17 W |
| Washington Mines | Mine | 1797 | Jefferson | 46 21 36 N | 112 08 09 W |
| Washington Park | Park | 974 | Missoula | 46 51 06 N | 114 00 30 W |
| Washington School | School | 627 | Dawson | 47 06 35 N | 104 42 47 W |
| Washington School | School | 1620 | Deer Lodge | 46 07 42 N | 112 57 59 W |
| Washington School | School | 904 | Fallon | 46 22 06 N | 104 16 22 W |
| Washington School | School | 974 | Missoula | 46 51 02 N | 114 00 24 W |
| Washington School | School | 1088 | Ravalli | 46 14 55 N | 114 09 45 W |
| Washington School | School | 963 | Yellowstone | 45 46 18 N | 108 32 35 W |
| Washington School (historical) | School | 1022 | Cascade | 47 30 24 N | 111 17 22 W |
| Washington School (historical) | School | 881 | Dawson | 47 04 44 N | 105 16 52 W |
| Washington School (historical) | School | 624 | Dawson | 47 20 21 N | 104 28 17 W |
| Washington School (historical) | School | 756 | Hill | 48 33 01 N | 109 39 38 W |
| Washington School (historical) | School | 785 | Phillips | 48 05 27 N | 107 28 00 W |
| Washington School (historical) | School | 919 | Prairie | 46 57 32 N | 105 54 12 W |
| Washington School (historical) | School | 640 | Sheridan | 48 45 55 N | 104 08 42 W |
| Washington School (historical) | School | 932 | Valley | 48 42 27 N | 106 31 27 W |
| Washington Street Park | Park | 903 | Flathead | 48 12 07 N | 114 18 25 W |
| Washington-Grizzly Stadium | Park | 978 | Missoula | 46 51 53 N | 113 58 53 W |
| Washoe | Populated Place | 1527 | Carbon | 45 09 50 N | 109 12 48 W |
| Washoe (historical) | Locale | 1527 | Carbon | 45 09 50 N | 109 12 48 W |
| Washoe Creek | Stream | | Carbon | 45 09 18 N | 109 21 52 W |
| Washoe Creek | Stream | | Missoula | 46 51 34 N | 113 29 53 W |
| Washoe Mine | Mine | 1755 | Silver Bow | 46 00 56 N | 112 31 59 W |
| Washoe Park | Park | 1620 | Deer Lodge | 46 08 06 N | 112 57 56 W |
| Washoe Park Fish Hatchery | Locale | 1615 | Deer Lodge | 46 08 04 N | 112 57 39 W |
| Washoe Post Office (historical) | Post Office | 1527 | Carbon | 45 09 50 N | 109 12 48 W |