The Jefferson River is a tributary of the Missouri River, approximately 77 miles (124 km) long, in the U.S. state of Montana.

The Jefferson River and the Madison River form the official beginning of the Missouri at Missouri Headwaters State Park near Three Forks. It is joined 0.6 miles (1.0 km) downstream (northeast) by the Gallatin.


Our bait recommendations

Here's the baits that our Pros love for this lake.