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.

The Gallatin River begins at Gallatin Lake, which is located high in the mountains of the Gallatin Range in Yellowstone National Park, and flows for 115 miles to where it meets (and forms) the Missouri River in Three Forks.

Feb 27, 2023 · Today the Gallatin River is an integral recreation hub in Montana, drawing in primarily anglers, hikers, and rafters. As it is so easy to access from mountain towns like Big Sky and Bozeman, there is never any shortage of people keen …

Montana Fish Wildlife and Parks describes the Gallatin River as about twelve miles long from its origin at the confluence of the West and East Gallatin rivers to Three Forks, Montana, where it joins the Jefferson and Madison rivers to form the Missouri River.

It’s not that the Gallatin River is overlooked—it’s just that for Bozemanites, there is such a wide-ranging and tantalizing assortment of water to taste and experience on the flight of rivers throughout southwest Montana.

Jun 21, 2024 · One of the most accessible river in Yellowstone National Park, the Gallatin River is a beautiful stretch of water that has its headwaters at Gallatin Lake. The upper Gallatin near Gallatin Lake is only accessible by backcountry hiking via the Bighorn Pass trail (see map above).

Gallatin River, river rising in the Gallatin Range in the northwestern corner of Yellowstone National Park, Wyoming, U.S., and flowing 120 miles (193 km) north to Three Forks, in southwestern Montana.

The Gallatin River is a blue ribbon river that originates in Yellowstone National Park. In its upper reaches, it flows through a spectacular alpine environment within the Gallatin Canyon where the fishing scenes from the movie A River Runs Through It were filmed.

Gallatin River. The Gallatin River originates from Gallatin Lake at 9950 feet above sea level in Yellowstone National Park. It then meanders for about 20 miles through a mountain meadow setting before entering the Gallatin Canyon in the vicinity of the Taylor Fork drainage.

The Gallatin River flows from the northwest corner of Yellowstone National Park, through the Gallatin Canyon by Big Sky Montana, and along the west side of Bozeman before merging with the Jefferson and Madison Rivers at Three Forks, Montana to form the Missouri River.