Gallatin River
Tributary in Montana
The Gallatin River is a tributary of the Missouri River, approximately 120 mi 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... Wikipedia
Discharge: 1,165 ft³/s
Length: 120 mi
Source: Gallatin Range
Mouth: Missouri River
Cities: Three Forks
Headwaters: Yellowstone National Park