Summary
The ideal streamflow range for this river run is between 800 and 1,200 cfs, which typically occurs from May to July. The class rating for this run is III-IV, with some sections reaching class V during high water.
The segment mileage for this run is approximately 9 miles, starting at the Flaming Gorge Dam and ending at Little Hole. The river features several challenging rapids, including the S.O.B. Rapid, which is a class IV rapid that requires precise navigation through a series of boulders and drops.
Specific regulations to the area include a permit requirement for all private and commercial trips, as well as a limit on the number of visitors per day. Additionally, visitors must follow Leave No Trace principles and pack out all trash and waste.
Overall, the Upper Green River offers an exciting and challenging whitewater experience for experienced paddlers during the ideal streamflow range. It is important to follow all regulations and safety guidelines to ensure a safe and enjoyable trip.