Gallatin National Forest
| Gallatin National Forest | |
|---|---|
| Location | Montana, United States |
| Nearest city | Bozeman, Montana |
| Coordinates | 45°16′21″N 110°22′06″W / 45.27250°N 110.36833°W |
| Area | 2,129,194 acres (8,616.54 km2) |
| Established | February 10, 1899 |
| Governing body | U.S. Forest Service |
| Website | Custer-Gallatin National Forest |
The Gallatin National Forest (now known as the Custer-Gallatin National Forest) is a United States National Forest located in South-West Montana. Most of the Custer-Gallatin goes along the state's southern border, with some of it a part of North-West Wyoming.