Wanderlust World Wanderlust World The Snake River (1,735 km) flows across Idaho, Oregon, Washington → joins the Columbia River → Pacific Ocean.
The Colorado River** (2,330 km) flows through Colorado, Utah, Arizona, Nevada, California, Mexico → empties into the Gulf of California (Sea of Cortez).
Both are iconic Western U.S. rivers; both carved spectacular canyons (Hells Canyon, Grand Canyon); both are heavily dammed and overallocated. But their basins are separated by the Continental Divide.