Summary
The ideal streamflow range for this section of the river is between 600 and 2,000 cfs. It is rated as a Class III-IV run, with a total segment mileage of 9 miles.
The Upper Green River is known for its challenging rapids and obstacles, such as S.O.B. Rapid and the Green Flume. S.O.B. Rapid is a class IV rapid that requires precise maneuvering to navigate through the tight channels and steep drops. The Green Flume is a narrow chute that drops over 15 feet in a short distance, requiring quick reflexes and expert paddling skills.
There are specific regulations in place for the Upper Green River. All boaters must obtain a permit from the Bureau of Land Management to access the river. Additionally, the use of motorized boats and jet skis is prohibited. Visitors are also required to follow Leave No Trace principles to protect the fragile ecosystem of the river and its surrounding area.