Gallatin River
From the Gallatin Range in Yellowstone, the river runs north past Big Sky through steep Gallatin Canyon, closely followed by US 191, then crosses the open Gallatin Valley west of Bozeman.
Course of the river, simplified. Map data from Natural Earth (public domain).
Weather at the Gallatin River (National Weather Service) ↗
River facts
| Length | About 120 miles |
|---|---|
| Source | Gallatin Lake, northwest Yellowstone National Park, Wyoming |
| Mouth | Joins Jefferson and Madison near Three Forks to form the Missouri |
| State | Montana |
Boat ramps, launches and bait shops
Detailed ramp, bait shop and lock-and-dam listings for the Gallatin River are coming soon. Until then, these searches open Google Maps along the river:
Fishing regulations
Check the state agency for river-specific rules, seasons and limits before you fish:
- Montana: Montana Fish, Wildlife & Parks ↗
Facts from Gallatin River (Wikipedia) ↗