Description for the Salmon River Region 1This section covers the from Whitebird Creek to the confluence with the Snake River.
The Salmon River stretches 425 miles through central Idaho. It begins in the eastern central part of the state and flows into the Snake River near the Idaho-Oregon border. It is one of the primary tributaries of the Snake. The Salmon is known for its world class whitewater rafting. The salmon and steelhead runs are strong on this river. The river typically produces close to half of the steelhead and salmon for the entire Columbia River basin.