The Gallatin River is a tributary of the Missouri River, approximately 120 mi (193 km long), in the U.S. states of Wyoming and Montana. It is one of three rivers, along with the Jefferson and Madison, that converge near Three Forks, Montana, to form the Missouri.Make Gallatin River part of your personalized Bozeman itinerary using our Bozeman day trip app .
It rises in the northwest corner of Yellowstone National Park, in northwestern Wyoming, in the Gallatin Range of the Rocky Mountains. It flows northwest through Gallatin National Forest, past Big Sky, Montana, and joins the Jefferson and Madison approximately 30 mi (48 km) northwest of Bozeman. U.S. Highway 191 follows the river from the Wyoming border to just outside Bozeman.
The river was named in July 1805 by Meriwether Lewis at Three Forks. The eastern fork of the three, it was named for Albert Gallatin, the U.S. Treasury Secretary from 1801–14. The western fork was named for President Thomas Jefferson and the central fork for Secretary of State James Madison.
Gallatin River Reviews
Gallatin River is best seen in the Gallatin Canyon on Hwy 191 between Bozeman and Big Sky. The 30 mile stretch has a highway and river running side-by-side the whole way. Mountains and blankets of pin... more »
Stopped by to fish and video lots of folks rafting on the Gallatin! The river runs from Montana to Idaho- gorgeous!! more »
Gorgeous river, mountains, and meadows. Love this scenic drive!
Lots of fun fly fishing. Beautiful area. Totally worth the experience if you are visiting Montana.
Plan your trip to Bozeman
Get a personalized planA complete day-by-day itinerary
based on your preferences
Customize itRefine your plan. We'll find the
best routes and schedules
Manage itEverything in one place.
Everyone on the same page.
View all >
Side trips from Bozeman
Hidden gems in Bozeman
Shopping in Bozeman
Nearby attractions in Bozeman
Kid-friendly things to do in Bozeman
Duration: 1h 30min
Duration: 2h 30min
Plans to Gallatin River by other users
19 days in Bozeman BY A USER FROM UNITED STATES October, popular sights PREFERENCES: October ATTRACTION STYLE: Popular sights PACE: Medium 37 days in Bozeman BY A USER FROM UNITED STATES May, relaxing, beaches, historic sites, museums, slow & easy, popular sights PREFERENCES: May, relaxing, beaches, historic sites, museums ATTRACTION STYLE: Popular sights PACE: Slow & easy 14 days in Bozeman, Big Sky & West Yellowstone BY A USER FROM UNITED STATES January, popular sights PREFERENCES: January ATTRACTION STYLE: Popular sights PACE: Medium 14 days in Bozeman, West Yellowstone & West Glacier BY A USER FROM UNITED STATES August, popular sights PREFERENCES: August ATTRACTION STYLE: Popular sights PACE: Medium 45 days in Montana BY A USER FROM UNITED STATES September, popular sights PREFERENCES: September ATTRACTION STYLE: Popular sights PACE: Medium 53 days in Bozeman BY A USER FROM UNITED STATES August, popular sights PREFERENCES: August ATTRACTION STYLE: Popular sights PACE: Medium