Cognito Brands Middle Fork Lightweight Mountain Graphic HoodieMiddle Fork Graphic Mountain Hoodie Outdoor Apparel The Salmon River is 425 mile, free flowing river located in the largest contiguous wilderness in the lower 48 states The Frank Church River Of No Return Wilderness of central Idaho. Floating and camping in this rugged area is often a week long trip through completely uninhabited wilderness, uninterrupted by roads and homes. As such, floating the fabled Middle Fork is on many bucket lists. This