Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| North Fork Deep Creek | Stream | | Cascade | 47 01 26 N | 111 15 21 W |
| North Fork Deep Creek | Stream | | Lincoln | 48 47 34 N | 114 47 33 W |
| North Fork Deep Creek | Stream | | Meagher | 47 03 17 N | 111 09 55 W |
| North Fork Deep Creek | Stream | | Park | 45 32 32 N | 110 32 14 W |
| North Fork Deep Creek | Stream | | Teton | 47 43 26 N | 112 36 52 W |
| North Fork Deer Canyon Creek | Stream | | Beaverhead | 44 52 30 N | 112 56 44 W |
| North Fork Deer Creek | Stream | | Big Horn | 45 02 42 N | 106 40 22 W |
| North Fork Deer Creek | Stream | | Dawson | 47 15 03 N | 104 56 52 W |
| North Fork Deer Creek | Stream | | Ravalli | 45 35 40 N | 114 25 48 W |
| North Fork Dempsey Creek | Stream | | Powell | 46 18 42 N | 112 52 27 W |
| North Fork Divide Creek | Stream | | Beaverhead | 44 49 56 N | 113 16 36 W |
| North Fork Divide Creek | Stream | | Silver Bow | 45 51 46 N | 112 40 30 W |
| North Fork Dodge Creek | Stream | | Lincoln | 48 55 42 N | 115 18 23 W |
| North Fork Dodson Creek | Stream | | Phillips | 48 31 05 N | 108 17 45 W |
| North Fork Dog Coulee | Valley | | Garfield | 47 44 15 N | 106 37 17 W |
| North Fork Doolittle Fork Creek | Stream | | Beaverhead | 45 42 52 N | 113 20 19 W |
| North Fork Douglas Creek | Stream | | Granite | 46 29 19 N | 113 08 37 W |
| North Fork Dry Cottonwood Creek | Stream | | Deer Lodge | 46 12 39 N | 112 39 04 W |
| North Fork Dry Creek | Stream | | Carbon | 45 12 50 N | 109 01 12 W |
| North Fork Dry Creek | Stream | | Carter | 45 28 37 N | 104 54 18 W |
| North Fork Dry Creek | Stream | | Wibaux | 47 19 13 N | 104 18 30 W |
| North Fork Dry Fork Marias River | Stream | | Pondera | 48 11 47 N | 112 17 30 W |
| North Fork Dry Gulch | Valley | | Jefferson | 46 13 55 N | 112 27 35 W |
| North Fork Duck Creek | Stream | | Broadwater | 46 30 22 N | 111 24 01 W |
| North Fork Duck Creek | Stream | | Broadwater | 46 30 02 N | 111 24 47 W |
| North Fork Duck Creek | Stream | | Valley | 47 58 14 N | 106 34 15 W |
| North Fork Dugout Coulee | Valley | | Chouteau | 48 06 23 N | 111 02 49 W |
| North Fork Dunkirk Coulee | Valley | | Toole | 48 30 32 N | 111 37 13 W |
| North Fork Dupuyer Creek | Stream | | Teton | 48 05 37 N | 112 41 30 W |
| North Fork Eagle Creek | Stream | | Meagher | 46 51 27 N | 111 03 55 W |
| North Fork Eagle Creek | Stream | | Sheridan | 48 49 12 N | 104 57 42 W |
| North Fork East Redwater Creek | Stream | | Richland | 47 49 47 N | 104 59 54 W |
| North Fork Edwards Creek | Stream | | Treasure | 46 14 09 N | 107 27 58 W |
| North Fork Eightmile Creek | Stream | | Meagher | 46 37 40 N | 110 42 10 W |
| North Fork Eightmile Creek | Stream | | Park | 45 27 07 N | 110 51 01 W |
| North Fork Eightmile Creek | Stream | | Ravalli | 46 38 43 N | 113 52 13 W |
| North Fork Elbow Creek | Stream | | Park | 45 22 35 N | 110 34 55 W |
| North Fork Elk Creek | Stream | | Fergus | 46 59 20 N | 108 38 38 W |
| North Fork Elk Creek | Stream | | Meagher | 46 37 39 N | 111 17 28 W |
| North Fork Elk Creek | Stream | | Missoula | 46 52 25 N | 113 22 26 W |
| North Fork Elk Creek | Stream | | Missoula | 47 28 49 N | 113 51 25 W |
| North Fork Elk Creek | Stream | | Park | 46 03 13 N | 110 36 24 W |
| North Fork Elk Creek | Stream | | Powder River | 45 21 08 N | 105 57 17 W |
| North Fork Evers Creek | Stream | | Flathead | 48 26 54 N | 114 37 28 W |
| North Fork Everson Creek | Stream | | Beaverhead | 44 54 44 N | 113 17 57 W |
| North Fork Falls | Falls | 1648 | Lewis and Clark | 47 11 39 N | 112 53 41 W |
| North Fork Fan Creek | Stream | | Park | 44 59 32 N | 110 58 13 W |
| North Fork Farmers Coulee | Valley | | Teton | 48 03 48 N | 112 13 13 W |
| North Fork Fence Creek | Stream | | Powder River | 44 58 26 N | 106 00 53 W |
| North Fork Fir Creek | Stream | | Cascade | 47 03 21 N | 111 19 31 W |
| North Fork Fire Gulch | Valley | | Powder River | 45 17 22 N | 105 45 58 W |
| North Fork First Creek | Stream | | Phillips | 47 53 51 N | 107 51 14 W |
| North Fork First Hay Creek | Stream | | Richland | 47 47 53 N | 104 10 27 W |
| North Fork Fish Creek | Stream | | Mineral | 46 54 24 N | 114 48 22 W |
| North Fork Fitzsimmons Creek | Stream | | Lincoln | 48 44 50 N | 114 40 34 W |
| North Fork Fivemile Creek | Stream | | Carbon | 45 25 57 N | 108 45 60 W |
| North Fork Fivemile Creek | Stream | | Lincoln | 48 31 51 N | 115 04 39 W |
| North Fork Fivemile Creek | Stream | | Yellowstone | 45 54 11 N | 108 39 34 W |
| North Fork Flathead Creek | Stream | | Gallatin | 45 58 33 N | 110 52 43 W |
| North Fork Flathead River | Stream | | Flathead | 48 28 02 N | 114 04 09 W |
| North Fork Flatwillow Creek | Stream | | Fergus | 46 50 55 N | 108 54 01 W |
| North Fork Flint Creek | Stream | | Deer Lodge | 46 11 48 N | 113 16 07 W |
| North Fork Ford Creek | Stream | | Lewis and Clark | 47 24 36 N | 112 42 20 W |
| North Fork Foster Creek | Stream | | Custer | 45 59 06 N | 105 55 55 W |
| North Fork Four Lakes Creek | Stream | | Sanders | 47 42 39 N | 115 13 41 W |
| North Fork Fourchette Creek | Stream | | Phillips | 47 41 55 N | 107 56 54 W |
| North Fork Fourmile Creek | Stream | | Big Horn | 45 14 07 N | 106 51 42 W |
| North Fork Fourmile Creek | Stream | | Richland | 47 54 47 N | 104 06 42 W |
| North Fork Fox Creek | Stream | | Beaverhead | 45 14 28 N | 113 15 27 W |
| North Fork Fox Creek | Stream | | Richland | 47 38 28 N | 104 15 59 W |
| North Fork Frazier Creek | Stream | | Gallatin | 45 57 14 N | 110 55 50 W |
| North Fork Freeman Creek | Stream | | Meagher | 46 53 45 N | 111 25 23 W |
| North Fork Gilbert Creek | Stream | | Missoula | 46 41 00 N | 113 43 40 W |
| North Fork Glenn Creek | Stream | | Lewis and Clark | 47 40 04 N | 112 56 37 W |
| North Fork Good Luck Creek | Stream | | Big Horn | 45 18 20 N | 107 28 48 W |
| North Fork Goodale Coulee | Valley | | Daniels | 48 54 57 N | 105 05 56 W |
| North Fork Goodrich Mine | Mine | 2105 | Madison | 45 33 55 N | 112 11 43 W |
| North Fork Gorman Creek | Stream | | Chouteau | 48 12 43 N | 109 58 15 W |
| North Fork Grapevine Creek | Stream | | Big Horn | 45 20 16 N | 108 02 36 W |
| North Fork Greasewood Creek | Stream | | Glacier | 48 40 15 N | 112 59 01 W |
| North Fork Green Creek | Stream | | Lewis and Clark | 47 09 03 N | 112 22 35 W |
| North Fork Greenhorn Creek | Stream | | Madison | 45 06 40 N | 112 03 04 W |
| North Fork Grove Creek | Stream | | Carbon | 45 05 43 N | 109 09 55 W |
| North Fork Grove Creek | Stream | | Stillwater | 45 29 02 N | 109 34 09 W |
| North Fork Guard Station | Locale | 1571 | Lewis and Clark | 47 11 34 N | 112 54 28 W |
| North Fork Haddow Creek | Stream | | Custer | 45 58 57 N | 105 47 45 W |
| North Fork Halfway Coulee | Valley | | Phillips | 48 14 16 N | 108 01 11 W |
| North Fork Hawley Creek | Stream | | Sweet Grass | 45 20 52 N | 110 11 01 W |
| North Fork Hay Creek | Stream | | Powder River | 45 39 34 N | 105 11 23 W |
| North Fork Hayes Creek | Stream | | Beaverhead | 45 13 12 N | 113 07 02 W |
| North Fork Hayes Creek | Stream | | Ravalli | 46 07 35 N | 114 12 05 W |
| North Fork Helen Creek | Stream | | Flathead | 47 42 27 N | 113 19 35 W |
| North Fork Hell Roaring Creek | Stream | | Gallatin | 45 23 52 N | 111 17 28 W |
| North Fork Hellroaring Creek | Stream | | Park | 45 10 03 N | 110 23 03 W |
| North Fork Hemlock Creek | Stream | | Missoula | 47 26 38 N | 113 47 41 W |
| North Fork Highwood Creek | Stream | | Chouteau | 47 28 44 N | 110 36 51 W |
| North Fork Hilgard Creek | Stream | | Madison | 44 56 23 N | 111 23 48 W |
| North Fork Hinch Creek | Stream | | Madison | 45 15 46 N | 112 10 38 W |
| North Fork Hoover Creek | Stream | | Cascade | 47 00 57 N | 110 43 34 W |
| North Fork Horse Creek | Stream | | Custer | 46 20 08 N | 105 09 30 W |
| North Fork Horse Creek | Stream | | McCone | 47 32 05 N | 105 48 54 W |
| North Fork Horse Creek | Stream | | Park | 45 59 32 N | 110 32 23 W |
| North Fork Horse Creek | Stream | | Powder River | 45 37 19 N | 105 12 57 W |
| North Fork Horse Creek | Stream | | Yellowstone | 46 18 14 N | 107 35 49 W |
| North Fork Hot Springs Creek | Stream | | Madison | 45 33 19 N | 111 48 27 W |
| North Fork Howard Creek | Stream | | Missoula | 46 46 44 N | 114 26 58 W |
| North Fork Indian Coulee | Valley | | Big Horn | 45 39 53 N | 106 55 53 W |
| North Fork Indian Creek | Stream | | Big Horn | 45 15 54 N | 107 04 23 W |
| North Fork Indian Creek | Stream | | Madison | 45 31 29 N | 112 04 29 W |
| North Fork Indian Creek | Stream | | Powder River | 45 11 32 N | 106 02 14 W |