Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Cold Turkey Coulee | Valley | | Garfield | 47 36 05 N | 106 54 06 W |
| Cold Turkey Cut-Off Ski Trail | Trail | 1816 | Lewis and Clark | 46 45 12 N | 112 18 50 W |
| Cole | Populated Place | 666 | Phillips | 48 32 28 N | 107 28 07 W |
| Cole (historical) | Locale | 666 | Phillips | 48 32 28 N | 107 28 07 W |
| Cole Creek | Stream | | Beaverhead | 44 36 48 N | 111 32 43 W |
| Cole Creek | Stream | | Carbon | 45 36 40 N | 108 57 48 W |
| Cole Creek | Stream | | Carbon | 45 16 34 N | 109 17 39 W |
| Cole Creek | Stream | | Garfield | 47 39 48 N | 106 56 25 W |
| Cole Creek | Stream | | Park | 46 05 21 N | 110 36 56 W |
| Cole Creek | Stream | | Park | 45 54 03 N | 110 26 44 W |
| Cole Creek | Stream | | Sanders | 47 44 01 N | 115 41 21 W |
| Cole Creek School (historical) | School | 1123 | Carbon | 45 33 45 N | 108 59 33 W |
| Cole Ditch | Canal | 1360 | Gallatin | 45 45 29 N | 111 15 34 W |
| Cole Homestead | Locale | 2091 | Park | 45 55 45 N | 110 20 09 W |
| Cole Ponds | Reservoir | 669 | Phillips | 48 32 28 N | 107 28 00 W |
| Cole Ponds Fishing Access Site | Locale | 660 | Phillips | 48 32 20 N | 107 28 06 W |
| Cole Post Office (historical) | Post Office | 666 | Phillips | 48 32 28 N | 107 28 07 W |
| Cole Ranch | Locale | 738 | Garfield | 47 40 57 N | 106 41 21 W |
| Cole Ranch | Locale | 1854 | Sweet Grass | 45 54 26 N | 110 15 01 W |
| Cole School (historical) | School | 958 | Blaine | 48 28 01 N | 109 15 35 W |
| Cole School (historical) | School | 673 | Phillips | 48 33 14 N | 107 29 28 W |
| Coleman Bench | Bench | 1550 | Carbon | 45 22 34 N | 109 28 02 W |
| Coleman Coulee | Valley | | Garfield | 46 59 01 N | 106 15 33 W |
| Coleman Coulee | Valley | | McCone | 47 58 11 N | 106 13 57 W |
| Coleman Draw | Valley | | Powder River | 45 33 44 N | 106 05 37 W |
| Coleman Number 1 Dam | Dam | 819 | Garfield | 47 17 54 N | 106 55 32 W |
| Coleman Reservoir | Reservoir | 1008 | Powder River | 45 32 41 N | 106 05 02 W |
| Coleman Wildlife Park | Park | 626 | Valley | 48 01 11 N | 106 27 10 W |
| Colen Dam | Dam | 772 | Phillips | 48 07 42 N | 107 46 56 W |
| Coles Gulch | Valley | | Granite | 46 24 15 N | 113 32 43 W |
| Colester Draw | Valley | | Powder River | 45 09 46 N | 106 12 03 W |
| Colfax Gulch | Valley | | Granite | 46 26 26 N | 113 37 34 W |
| Colgan Creek | Stream | | Richland | 48 03 31 N | 105 07 05 W |
| Colgate | Populated Place | 644 | Dawson | 47 00 38 N | 104 45 20 W |
| Collar Gulch | Valley | | Fergus | 47 11 10 N | 109 09 53 W |
| Collar Gulch Creek | Stream | | Fergus | 47 10 39 N | 109 07 23 W |
| Collar Peak | Summit | 1818 | Fergus | 47 12 07 N | 109 11 41 W |
| College of Great Falls | School | 1049 | Cascade | 47 29 26 N | 111 16 12 W |
| College of Montana (historical) | School | 1392 | Powell | 46 23 45 N | 112 43 48 W |
| College of Technology of the University of Montana - Missoula | School | 972 | Missoula | 46 50 52 N | 114 00 43 W |
| College Place School (historical) | School | 1132 | Lewis and Clark | 46 39 37 N | 112 00 30 W |
| Collegedale Post Office (historical) | Post Office | 1132 | Lewis and Clark | 46 39 37 N | 112 00 30 W |
| Colley Creek | Stream | | Park | 45 16 05 N | 110 28 12 W |
| Colley Lake | Lake | 2610 | Park | 45 13 42 N | 110 26 02 W |
| Collier School | School | 872 | Rosebud | 46 46 19 N | 107 48 47 W |
| Collinge Spring | Spring | 1224 | Powder River | 45 25 01 N | 105 53 36 W |
| Collins | Locale | 1072 | Teton | 47 55 42 N | 111 48 37 W |
| Collins | Populated Place | 1072 | Teton | 47 55 42 N | 111 48 37 W |
| Collins Creek | Stream | | Carter | 45 58 45 N | 104 29 44 W |
| Collins Creek | Stream | | Judith Basin | 46 48 14 N | 110 36 24 W |
| Collins Creek | Stream | | Valley | 48 37 14 N | 106 57 29 W |
| Collins Dam | Dam | 783 | Valley | 48 41 24 N | 106 58 08 W |
| Collins Gulch | Valley | | Broadwater | 46 41 35 N | 111 37 37 W |
| Collins Headcut Dam | Dam | 682 | Valley | 47 54 06 N | 106 53 20 W |
| Collins Hill | Summit | 914 | Phillips | 47 52 60 N | 107 31 55 W |
| Collins Post Office (historical) | Post Office | 1072 | Teton | 47 55 42 N | 111 48 37 W |
| Collins Ranch | Locale | 1151 | Pondera | 48 18 53 N | 112 26 40 W |
| Collins Ranch | Locale | 690 | Valley | 47 53 59 N | 106 53 15 W |
| Collins Reservoir | Reservoir | 690 | Valley | 47 53 58 N | 106 53 23 W |
| Collins School (historical) | School | 1036 | Cascade | 47 31 28 N | 111 16 23 W |
| Collins School (historical) | School | 797 | Chouteau | 47 55 04 N | 110 31 36 W |
| Collins School (historical) | School | 733 | Sheridan | 48 57 42 N | 104 37 60 W |
| Collins School (historical) | School | 1072 | Teton | 47 55 42 N | 111 48 37 W |
| Colma Gulch | Valley | | Granite | 46 42 07 N | 113 38 36 W |
| Colma Spring | Spring | 1561 | Granite | 46 42 31 N | 113 37 43 W |
| Colman Coulee | Valley | | McCone | 47 58 36 N | 106 13 36 W |
| Colmen School (historical) | School | 692 | Phillips | 48 21 24 N | 108 08 05 W |
| Coloma | Populated Place | 1807 | Missoula | 46 50 35 N | 113 22 50 W |
| Coloma Cemetery | Cemetery | 1855 | Missoula | 46 50 03 N | 113 22 58 W |
| Coloma Post Office (historical) | Post Office | 1807 | Missoula | 46 50 35 N | 113 22 50 W |
| Colonial Manor Nursing Home | Hospital | 922 | Flathead | 48 24 17 N | 114 19 28 W |
| Colonial Manor of Deer Lodge | Hospital | 1404 | Powell | 46 23 30 N | 112 43 17 W |
| Colonite Creek | Stream | | Lincoln | 47 57 11 N | 115 18 17 W |
| Colony Bay (historical) | Populated Place | 916 | Chouteau | 48 01 50 N | 110 36 45 W |
| Colony Bay Post Office (historical) | Post Office | 916 | Chouteau | 48 01 50 N | 110 36 45 W |
| Colorado Creek | Stream | | Beaverhead | 44 53 03 N | 113 12 01 W |
| Colorado Gulch | Valley | | Lewis and Clark | 46 34 15 N | 112 09 52 W |
| Colorado Gulch (historical) | Locale | 1287 | Lewis and Clark | 46 34 30 N | 112 09 53 W |
| Colorado Junction (historical) | Locale | 1658 | Silver Bow | 45 59 40 N | 112 32 53 W |
| Colorado Mine | Mine | 1735 | Silver Bow | 46 00 48 N | 112 31 47 W |
| Colorado Mountain | Summit | 2200 | Lewis and Clark | 46 30 14 N | 112 12 30 W |
| Colstrip | Locale | 981 | Rosebud | 45 52 59 N | 106 37 23 W |
| Colstrip | Populated Place | 982 | Rosebud | 45 53 03 N | 106 37 25 W |
| Colstrip Airport | Airport | 1039 | Rosebud | 45 51 09 N | 106 42 36 W |
| Colstrip Cemetery | Cemetery | 989 | Rosebud | 45 54 35 N | 106 37 12 W |
| Colstrip Christian and Missionary Alliance Church | Church | 992 | Rosebud | 45 52 60 N | 106 38 02 W |
| Colstrip Diversion Dam | Dam | 1017 | Rosebud | 45 53 54 N | 106 40 02 W |
| Colstrip Evaporation Pond Dam | Dam | 1008 | Rosebud | 45 54 06 N | 106 39 02 W |
| Colstrip Fire Department | Building | 986 | Rosebud | 45 52 54 N | 106 37 35 W |
| Colstrip High School | School | 969 | Rosebud | 45 54 45 N | 106 37 57 W |
| Colstrip Light Industrial Park | Locale | 963 | Rosebud | 45 54 23 N | 106 38 17 W |
| Colstrip Medical Center | Hospital | 994 | Rosebud | 45 53 10 N | 106 38 02 W |
| Colstrip Post Office | Post Office | 992 | Rosebud | 45 52 50 N | 106 37 47 W |
| Colt Creek | Stream | | Missoula | 47 19 41 N | 113 35 24 W |
| Colt Lake | Lake | 1475 | Missoula | 47 21 46 N | 113 39 43 W |
| Colter Campground | Locale | 2452 | Park | 45 01 41 N | 109 53 43 W |
| Colter Creek | Stream | | Ravalli | 45 42 34 N | 114 02 39 W |
| Colter Falls (historical) | Falls | 986 | Cascade | 47 32 15 N | 111 12 53 W |
| Colter Gulch | Valley | | Granite | 46 16 46 N | 113 17 09 W |
| Colter Pass | Gap | 2453 | Park | 45 01 36 N | 109 53 27 W |
| Colters Ski Trail | Trail | 1863 | Gallatin | 45 49 02 N | 110 53 48 W |
| Colterville (historical) | Locale | 1525 | Madison | 45 23 45 N | 112 08 57 W |
| Colts Creek | Stream | | Flathead | 48 59 28 N | 114 27 60 W |
| Columbia Bible Baptist Church | Church | 935 | Flathead | 48 22 15 N | 114 12 23 W |
| Columbia Elevator (historical) | Locale | 901 | Fallon | 46 22 12 N | 104 16 32 W |
| Columbia Elevator (historical) | Locale | 813 | Fallon | 46 28 32 N | 104 38 34 W |
| Columbia Elevator (historical) | Locale | 722 | Prairie | 46 40 35 N | 104 57 38 W |
| Columbia Falls | Locale | 945 | Flathead | 48 22 48 N | 114 10 49 W |
| Columbia Falls | Populated Place | 941 | Flathead | 48 22 21 N | 114 10 53 W |
| Columbia Falls Branch Library | Building | 941 | Flathead | 48 22 23 N | 114 10 59 W |