Green River Basin Real-time River and Canal Flow Data - Home The Green River is 730 miles (1,170 km) long, beginning in the Wind River Mountains of Wyoming and flowing through Wyoming and Utah for most of its course, except for 40 miles (64 km) into western Colorado. This website is dedicated to the proposition that better, more timely information leads to better water management. Greenriverbasin.org~Site InfoWhoisTrace RouteRBL Check
