Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Columbia Falls Clinic | Hospital | 933 | Flathead | 48 22 20 N | 114 10 48 W |
| Columbia Falls Fire Department | Building | 942 | Flathead | 48 22 22 N | 114 10 58 W |
| Columbia Falls High School | School | 934 | Flathead | 48 21 52 N | 114 11 51 W |
| Columbia Falls Junior High School | School | 940 | Flathead | 48 22 26 N | 114 11 13 W |
| Columbia Falls Main Elementary School | School | 940 | Flathead | 48 22 26 N | 114 11 13 W |
| Columbia Falls Police Department | Building | 942 | Flathead | 48 22 22 N | 114 10 58 W |
| Columbia Falls Post Office | Post Office | 941 | Flathead | 48 22 25 N | 114 10 58 W |
| Columbia Falls RV Resort | Locale | 933 | Flathead | 48 21 40 N | 114 09 23 W |
| Columbia Falls United Methodist Church | Church | 941 | Flathead | 48 22 37 N | 114 10 58 W |
| Columbia Falls West Annex School | School | 940 | Flathead | 48 22 26 N | 114 11 08 W |
| Columbia Gardens | Populated Place | 1823 | Silver Bow | 46 00 24 N | 112 27 51 W |
| Columbia Gardens Water Supply | Reservoir | 1950 | Jefferson | 46 02 41 N | 112 25 17 W |
| Columbia Grain Incorporated Elevator | Locale | 1334 | Glacier | 48 33 25 N | 113 00 48 W |
| Columbia Grain Incorporated Elevator | Locale | 949 | Hill | 48 33 36 N | 110 33 15 W |
| Columbia Grain International Incorporated | Locale | 624 | Sheridan | 48 45 35 N | 104 30 50 W |
| Columbia Grain International Incorporated Elevator | Locale | 721 | Blaine | 48 31 60 N | 108 47 03 W |
| Columbia Grain International Incorporated Elevator | Locale | 735 | Blaine | 48 35 42 N | 109 14 17 W |
| Columbia Grain International Incorporated Elevator | Locale | 1027 | Cascade | 47 31 05 N | 111 16 33 W |
| Columbia Grain International Incorporated Elevator | Locale | 1014 | Cascade | 47 29 50 N | 111 19 41 W |
| Columbia Grain International Incorporated Elevator | Locale | 994 | Pondera | 48 15 37 N | 111 49 23 W |
| Columbia Grain International Incorporated Elevator | Locale | 1072 | Pondera | 48 10 13 N | 111 56 46 W |
| Columbia Grain International Incorporated Elevator | Locale | 598 | Roosevelt | 48 06 27 N | 105 11 53 W |
| Columbia Mine | Mine | 1929 | Lewis and Clark | 46 56 56 N | 112 30 32 W |
| Columbia Mine | Mine | 2533 | Park | 45 02 20 N | 110 36 13 W |
| Columbia Mine | Mine | 1927 | Silver Bow | 45 40 35 N | 112 33 08 W |
| Columbia Mountain | Summit | 2197 | Flathead | 48 20 48 N | 114 05 53 W |
| Columbia Mountain Trail | Trail | 1704 | Flathead | 48 20 27 N | 114 04 01 W |
| Columbia School (historical) | School | 936 | Prairie | 47 03 26 N | 105 39 04 W |
| Columbine Creek | Stream | | Sweet Grass | 45 14 02 N | 110 09 03 W |
| Columbine Pass | Gap | 3012 | Sweet Grass | 45 12 40 N | 110 07 01 W |
| Columbine Peak | Summit | 45 | Sweet Grass | 45 14 03 N | 110 09 04 W |
| Columbine Ski Trail | Trail | 2528 | Carbon | 45 11 15 N | 109 21 03 W |
| Columbus | Locale | 1094 | Stillwater | 45 38 15 N | 109 15 23 W |
| Columbus | Populated Place | 1093 | Stillwater | 45 38 12 N | 109 15 08 W |
| Columbus Airport | Airport | 1087 | Stillwater | 45 37 44 N | 109 15 05 W |
| Columbus Baptist Church | Church | 1093 | Stillwater | 45 38 12 N | 109 15 08 W |
| Columbus Clinic | Hospital | 1102 | Stillwater | 45 38 35 N | 109 15 33 W |
| Columbus Convenience Care Center | Hospital | 1013 | Cascade | 47 31 10 N | 111 18 33 W |
| Columbus Elementary School | School | 1098 | Stillwater | 45 38 22 N | 109 15 25 W |
| Columbus Evangelical Church | Church | 1099 | Stillwater | 45 38 23 N | 109 15 35 W |
| Columbus Fire Department | Building | 1099 | Stillwater | 45 38 28 N | 109 15 13 W |
| Columbus Health Center | Hospital | 1046 | Cascade | 47 29 20 N | 111 17 56 W |
| Columbus High School | School | 1101 | Stillwater | 45 38 33 N | 109 15 21 W |
| Columbus Historical Marker | Park | 1102 | Stillwater | 45 38 40 N | 109 15 07 W |
| Columbus Hospital | Hospital | 1046 | Cascade | 47 29 20 N | 111 17 56 W |
| Columbus Hospital Heliport | Airport | 1048 | Cascade | 47 29 17 N | 111 17 49 W |
| Columbus Mine | Mine | 1766 | Madison | 45 31 50 N | 111 45 50 W |
| Columbus Park | Park | 941 | Flathead | 48 22 21 N | 114 10 53 W |
| Columbus Police Department | Building | 1099 | Stillwater | 45 38 28 N | 109 15 13 W |
| Columbus Post Office | Post Office | 1095 | Stillwater | 45 38 18 N | 109 15 06 W |
| Columbus Rest Area | Locale | 1102 | Stillwater | 45 38 40 N | 109 15 07 W |
| Columbus Water Users Association Ditch | Canal | 1115 | Stillwater | 45 38 60 N | 109 17 01 W |
| Colusa Gulch | Valley | | Granite | 46 33 26 N | 113 38 19 W |
| Colver Dam | Dam | 1216 | Fergus | 47 10 42 N | 109 25 45 W |
| Colvert Creek | Stream | | Ravalli | 45 54 01 N | 113 48 36 W |
| Colvin Number 2 Dam | Dam | 813 | Custer | 46 14 42 N | 105 56 50 W |
| Comanche | Populated Place | 1142 | Yellowstone | 45 59 52 N | 108 46 25 W |
| Comanche Cemetery | Cemetery | 1144 | Yellowstone | 45 59 20 N | 108 46 33 W |
| Comanche Creek | Stream | | Park | 46 06 06 N | 110 18 44 W |
| Comanche Creek | Stream | | Yellowstone | 46 02 01 N | 108 49 46 W |
| Comanche Flat | Flat | 1139 | Yellowstone | 46 02 25 N | 108 48 22 W |
| Comanche Mine | Mine | 3014 | Park | 45 15 25 N | 110 38 06 W |
| Comb Butte | Summit | 1800 | Meagher | 46 22 34 N | 110 31 14 W |
| Comb Creek | Stream | | Meagher | 46 25 04 N | 110 30 38 W |
| Comb Creek School (historical) | School | 1591 | Meagher | 46 24 38 N | 110 31 18 W |
| Comb Rock | Summit | 1302 | Lewis and Clark | 47 13 50 N | 112 10 17 W |
| Combat Creek | Stream | | Flathead | 47 38 55 N | 113 30 36 W |
| Combest Creek | Stream | | Sanders | 47 27 02 N | 114 55 31 W |
| Combest Peak | Summit | 1707 | Sanders | 47 22 31 N | 114 57 15 W |
| Combination Post Office (historical) | Post Office | 1946 | Granite | 46 26 50 N | 113 21 53 W |
| Combination Trail Number 3 | Trail | 2103 | Granite | 46 26 54 N | 113 25 23 W |
| Combs Coulee | Valley | | Valley | 48 50 37 N | 106 35 32 W |
| Combs Ditch Number Two | Canal | 1568 | Madison | 45 20 17 N | 112 05 49 W |
| Combs Ranch | Locale | 866 | Prairie | 46 54 34 N | 105 57 32 W |
| Comeau Pass | Gap | 2446 | Flathead | 48 37 16 N | 113 46 23 W |
| Comer Park | Park | 698 | Sheridan | 48 53 56 N | 104 15 05 W |
| Comer Sawmill | Locale | 1204 | Ravalli | 45 58 57 N | 114 09 18 W |
| Comer School (historical) | School | 1051 | Cascade | 47 25 60 N | 111 22 03 W |
| Comers Butte | Summit | 1650 | Cascade | 47 24 10 N | 110 42 20 W |
| Comers Lake | Lake | 697 | Sheridan | 48 53 45 N | 104 15 18 W |
| Comers Point Picnic Area | Locale | 1948 | Granite | 46 10 49 N | 113 19 04 W |
| Comertown | Locale | 697 | Sheridan | 48 53 49 N | 104 15 01 W |
| Comertown | Populated Place | 693 | Sheridan | 48 53 49 N | 104 14 56 W |
| Comertown Cemetery | Cemetery | 705 | Sheridan | 48 53 46 N | 104 13 54 W |
| Comertown Post Office (historical) | Post Office | 693 | Sheridan | 48 53 49 N | 104 14 56 W |
| Comertown School (historical) | School | 698 | Sheridan | 48 53 56 N | 104 15 07 W |
| Comet | Populated Place | 1947 | Jefferson | 46 18 39 N | 112 10 12 W |
| Comet Creek | Stream | | Jefferson | 46 22 28 N | 112 03 59 W |
| Comet Dam | Dam | 897 | Chouteau | 47 50 18 N | 109 48 03 W |
| Comet Lake | Lake | 2960 | Madison | 44 56 39 N | 111 26 51 W |
| Comet Lake | Lake | 2853 | Stillwater | 45 16 31 N | 110 00 45 W |
| Comet Mine | Mine | 1547 | Missoula | 46 51 29 N | 113 23 05 W |
| Comet Mountain | Summit | 3114 | Beaverhead | 45 27 35 N | 113 02 38 W |
| Comet Post Office (historical) | Post Office | 1947 | Jefferson | 46 18 39 N | 112 10 12 W |
| Comet Tailings | Mine | 2001 | Jefferson | 46 18 12 N | 112 10 08 W |
| Comet/Lead-Silver Mine | Mine | 2042 | Silver Bow | 45 40 50 N | 112 38 23 W |
| Comet/Rumley Mine | Mine | 1962 | Jefferson | 46 18 42 N | 112 09 58 W |
| Cominco Phosphate Mine | Mine | 1615 | Granite | 46 29 08 N | 113 09 00 W |
| Coming Day Butte | Summit | 1521 | Blaine | 47 58 43 N | 108 29 27 W |
| Commissary Creek | Stream | | Carbon | 45 06 49 N | 108 24 21 W |
| Commissary Ridge | Ridge | 2123 | Carbon | 45 08 59 N | 108 25 12 W |
| Commissary Spring | Spring | 2550 | Big Horn | 45 02 57 N | 107 56 06 W |
| Commissary Springs | Spring | 1357 | Big Horn | 45 15 02 N | 107 03 25 W |
| Commons | Building | 1225 | Lewis and Clark | 46 35 60 N | 112 02 26 W |
| Commonwealth Number 1 Mine | Mine | 2974 | Park | 45 04 17 N | 109 56 16 W |
| Commonwealth Number 2 Mine | Mine | 2991 | Park | 45 04 16 N | 109 56 11 W |
| Communion Butte | Summit | 1050 | Sanders | 47 20 31 N | 114 19 48 W |
| Community Alliance Church | Church | 901 | Flathead | 48 11 40 N | 114 18 55 W |
| Community Alliance Church | Church | 793 | Hill | 48 32 42 N | 109 40 08 W |
| Community Baptist Church | Church | 1014 | Ravalli | 46 30 21 N | 114 05 41 W |