Snake River: A Navigation and Spawning Dilemma

The Snake River in northwestern United States is 1735 km long, the largest tributary of Columbia and 13th longest river States. drainage basin includes parts six U.S. states. Plain was created by a volcanic hotspot that lies beneath Yellow-stone National Park. previous Ice Age carved out canyons, cliffs waterfalls along middle lower River. Missoula Flood to north Bonneville south altered surrounding landscape. has 282,000 km2 states Oregon, Washington, Utah, Nevada Idaho. drops from mountain elevations 3000 m its confluence with one most biologically diverse freshwater systems trails designed promote recreational tourism, increase use create generations people who care about are willing protect provide environmental stewardship watershed resources.