Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Butte - Silver Bow Courthouse | Building | 1760 | Silver Bow | 46 00 53 N | 112 32 21 W |
| Butte Fire Department | Building | 1738 | Silver Bow | 46 00 41 N | 112 32 25 W |
| Butte Police Department | Building | 1738 | Silver Bow | 46 00 41 N | 112 32 25 W |
| Butte-Silver Bow Public Library | Building | 1747 | Silver Bow | 46 00 48 N | 112 32 18 W |
| Butte-Silver Bow Sheriffs Department | Building | 1738 | Silver Bow | 46 00 41 N | 112 32 25 W |
| C M Russell Museum | Building | 1027 | Cascade | 47 30 35 N | 111 17 11 W |
| Cameron Community Club | Building | 1772 | Madison | 45 10 10 N | 111 35 49 W |
| Capitol Annex | Building | 1257 | Lewis and Clark | 46 35 08 N | 112 01 01 W |
| Carbon County Courthouse | Building | 1692 | Carbon | 45 11 20 N | 109 14 48 W |
| Carbon County Museum | Building | 1716 | Carbon | 45 10 27 N | 109 15 01 W |
| Carbon County Sheriffs Department | Building | 1692 | Carbon | 45 11 20 N | 109 14 48 W |
| Carnegie Public Library | Building | 1250 | Sweet Grass | 45 49 58 N | 109 57 11 W |
| Carter County Courthouse | Building | 1046 | Carter | 45 53 18 N | 104 32 55 W |
| Carter County Museum | Building | 1044 | Carter | 45 53 28 N | 104 32 47 W |
| Carter County Sheriffs Office | Building | 1046 | Carter | 45 53 18 N | 104 32 55 W |
| Cascade County Courthouse | Building | 1015 | Cascade | 47 30 30 N | 111 18 01 W |
| Cascade County Historical Society Archives | Building | 1029 | Cascade | 47 30 21 N | 111 16 56 W |
| Cascade County Historical Society Museum | Building | 1029 | Cascade | 47 30 21 N | 111 16 56 W |
| Cascade County Office of Sheriff | Building | 1015 | Cascade | 47 30 30 N | 111 18 01 W |
| Centennial Residence Hall | Building | 1565 | Beaverhead | 45 12 29 N | 112 38 13 W |
| Center for Continuing Education | Building | 981 | Missoula | 46 51 34 N | 113 59 11 W |
| Centra Gym Complex | Building | 723 | Custer | 46 24 19 N | 105 49 36 W |
| Central Montana Historical Society and Museum | Building | 1207 | Fergus | 47 04 16 N | 109 24 51 W |
| Charging Bear Indian Museum and Trading Post | Building | 1506 | Madison | 45 20 56 N | 111 43 47 W |
| Charles M Bair Family Museum | Building | 1462 | Meagher | 46 27 60 N | 110 19 03 W |
| Cheever Hall | Building | 1491 | Gallatin | 45 39 60 N | 111 03 11 W |
| Chemistry-Pharmacy Building | Building | 982 | Missoula | 46 51 30 N | 113 59 06 W |
| Chester Fire Department | Building | 955 | Liberty | 48 30 38 N | 110 58 03 W |
| Cheyenne Indian Museum | Building | 890 | Rosebud | 45 35 40 N | 106 16 15 W |
| Chief Plenty Coups Museum | Building | 1237 | Big Horn | 45 25 36 N | 108 33 10 W |
| Chinook Fire Department | Building | 741 | Blaine | 48 35 33 N | 109 13 44 W |
| Chinook Police Department | Building | 741 | Blaine | 48 35 33 N | 109 13 44 W |
| Chippewa Cree Police Department | Building | 1128 | Hill | 48 15 22 N | 109 47 18 W |
| Choteau Fire Department | Building | 1163 | Teton | 47 48 41 N | 112 11 00 W |
| Choteau Police Department | Building | 1163 | Teton | 47 48 41 N | 112 11 00 W |
| Choteau Public Library | Building | 1164 | Teton | 47 48 43 N | 112 10 56 W |
| Chouteau County Courthouse | Building | 802 | Chouteau | 47 49 04 N | 110 40 17 W |
| Chouteau County Free Library | Building | 800 | Chouteau | 47 49 08 N | 110 40 05 W |
| Chouteau County Sheriffs Office | Building | 802 | Chouteau | 47 49 04 N | 110 40 17 W |
| Circle Fire Department | Building | 741 | McCone | 47 25 00 N | 105 35 13 W |
| Circle Police Department | Building | 741 | McCone | 47 25 00 N | 105 35 13 W |
| City Hall Cultural Center | Building | 1605 | Deer Lodge | 46 07 46 N | 112 56 53 W |
| Clarks Fork Valley Museum | Building | 1076 | Carbon | 45 23 30 N | 108 54 20 W |
| Clinical Psychology Center | Building | 984 | Missoula | 46 51 29 N | 113 59 02 W |
| Clinton Fire Department | Building | 1057 | Missoula | 46 46 09 N | 113 42 45 W |
| Cobleigh Hall | Building | 1497 | Gallatin | 45 39 59 N | 111 02 45 W |
| Cogswell Building | Building | 1263 | Lewis and Clark | 46 35 05 N | 112 00 56 W |
| Colstrip Fire Department | Building | 986 | Rosebud | 45 52 54 N | 106 37 35 W |
| Columbia Falls Branch Library | Building | 941 | Flathead | 48 22 23 N | 114 10 59 W |
| Columbia Falls Fire Department | Building | 942 | Flathead | 48 22 22 N | 114 10 58 W |
| Columbia Falls Police Department | Building | 942 | Flathead | 48 22 22 N | 114 10 58 W |
| Columbus Fire Department | Building | 1099 | Stillwater | 45 38 28 N | 109 15 13 W |
| Columbus Police Department | Building | 1099 | Stillwater | 45 38 28 N | 109 15 13 W |
| Commons | Building | 1225 | Lewis and Clark | 46 35 60 N | 112 02 26 W |
| Condon Forest Service Station | Building | 1124 | Missoula | 47 32 06 N | 113 43 05 W |
| Condon Volunteer Fire Department | Building | 1131 | Missoula | 47 31 40 N | 113 42 38 W |
| Conrad Fire Department | Building | 1072 | Pondera | 48 10 05 N | 111 56 55 W |
| Conrad Mansion | Building | 901 | Flathead | 48 11 49 N | 114 18 11 W |
| Conrad Police Department | Building | 1072 | Pondera | 48 10 06 N | 111 56 49 W |
| Conrad Public Library | Building | 1073 | Pondera | 48 10 10 N | 111 56 52 W |
| Cooley Laboratory | Building | 1495 | Gallatin | 45 40 04 N | 111 03 03 W |
| Copper King Mansion | Building | 1763 | Silver Bow | 46 00 52 N | 112 32 26 W |
| Coram Fire Department | Building | 970 | Flathead | 48 25 05 N | 114 02 58 W |
| Corbin Hall | Building | 979 | Missoula | 46 51 43 N | 113 59 16 W |
| Cowan Hall | Building | 785 | Hill | 48 32 31 N | 109 41 19 W |
| Cowboy Museum | Building | 1014 | Cascade | 47 30 44 N | 111 18 56 W |
| Craig Hall | Building | 980 | Missoula | 46 51 33 N | 113 59 15 W |
| Crazy Mountain Museum | Building | 1250 | Sweet Grass | 45 49 27 N | 109 58 18 W |
| Creston Fire Department | Building | 996 | Flathead | 48 10 23 N | 114 02 30 W |
| Creston Fire Department | Building | 897 | Flathead | 48 11 19 N | 114 08 14 W |
| Creston Fire Station | Building | 892 | Flathead | 48 13 02 N | 114 12 33 W |
| Creston Fire Station | Building | 934 | Flathead | 48 13 35 N | 114 08 03 W |
| Crow Agency Fire Department | Building | 926 | Big Horn | 45 36 06 N | 107 27 40 W |
| Crow Agency Police Department | Building | 926 | Big Horn | 45 36 06 N | 107 27 40 W |
| Culbertson Fire Department | Building | 589 | Roosevelt | 48 08 44 N | 104 31 03 W |
| Culbertson Museum | Building | 589 | Roosevelt | 48 08 55 N | 104 29 34 W |
| Culbertson Police Department | Building | 589 | Roosevelt | 48 08 46 N | 104 31 03 W |
| Culbertson Public Library | Building | 589 | Roosevelt | 48 08 43 N | 104 31 04 W |
| Custer County Courthouse | Building | 720 | Custer | 46 24 27 N | 105 50 41 W |
| Custer County Sheriffs Office | Building | 720 | Custer | 46 24 27 N | 105 50 41 W |
| Cut Bank Fire Department | Building | 1148 | Glacier | 48 38 07 N | 112 19 49 W |
| Cut Bank Police Department | Building | 1148 | Glacier | 48 38 07 N | 112 19 49 W |
| Daly Mansion | Building | 1087 | Ravalli | 46 15 55 N | 114 08 08 W |
| Danforth Chapel | Building | 1496 | Gallatin | 45 40 05 N | 111 02 50 W |
| Daniels County Courthouse | Building | 755 | Daniels | 48 47 27 N | 105 25 16 W |
| Daniels County Library | Building | 756 | Daniels | 48 47 28 N | 105 25 10 W |
| Daniels County Museum | Building | 742 | Daniels | 48 47 20 N | 105 25 57 W |
| Daniels County Sheriffs Department | Building | 755 | Daniels | 48 47 27 N | 105 25 16 W |
| Darby Public Library | Building | 1184 | Ravalli | 46 01 22 N | 114 10 41 W |
| Davey Pioneer Laboratory | Building | 776 | Hill | 48 32 29 N | 109 41 05 W |
| Davis Residence Hall | Building | 1563 | Beaverhead | 45 12 30 N | 112 38 13 W |
| Dawson County Courthouse | Building | 630 | Dawson | 47 06 17 N | 104 42 56 W |
| Dawson County Sheriffs Office | Building | 630 | Dawson | 47 06 17 N | 104 42 56 W |
| Deer Lodge County Courthouse | Building | 1632 | Deer Lodge | 46 07 23 N | 112 57 19 W |
| Deer Lodge Fire Department | Building | 1380 | Powell | 46 23 60 N | 112 44 08 W |
| Denton Fire Hall | Building | 1097 | Fergus | 47 19 11 N | 109 56 51 W |
| Denton Public Library | Building | 1097 | Fergus | 47 19 10 N | 109 56 39 W |
| Department of Fish, Wildlife and Parks Building | Building | 1247 | Lewis and Clark | 46 35 14 N | 112 00 55 W |
| Dillon City Library | Building | 1556 | Beaverhead | 45 12 50 N | 112 38 24 W |
| Dillon Fire Department | Building | 1550 | Beaverhead | 45 13 20 N | 112 37 53 W |
| Dillon Police Department | Building | 1554 | Beaverhead | 45 12 55 N | 112 38 03 W |
| Dillon Visitor Information Center | Building | 1555 | Beaverhead | 45 13 01 N | 112 38 17 W |
| Dixon Volunteer Fire Department | Building | 769 | Sanders | 47 18 60 N | 114 18 50 W |
| Dodson Branch Library | Building | 696 | Phillips | 48 23 40 N | 108 14 42 W |
| Donaldson Hall | Building | 783 | Hill | 48 32 33 N | 109 41 14 W |
| Dormitory | Building | 1771 | Silver Bow | 46 00 47 N | 112 33 24 W |
| Doug Allards Flathead Indian Museum | Building | 883 | Lake | 47 19 18 N | 114 06 13 W |
| Drummond Fire Department | Building | 1208 | Granite | 46 40 03 N | 113 08 50 W |
| Drummond Museum | Building | 1208 | Granite | 46 40 03 N | 113 08 50 W |
| Drummond Public Library | Building | 1208 | Granite | 46 40 03 N | 113 08 50 W |