Summary
The ideal streamflow range for this river is between 800-2,500 cfs, with peak runoff occurring in May and June. The class rating for the Upper Green River is class III-IV, with some sections reaching class V during peak runoff. The segment mileage for this river run is approximately 9 miles, with several challenging rapids and obstacles along the way.
One of the most notable rapids on the Upper Green River is called "Big Drop," which is a class V rapid that requires expert-level skills to navigate. Other rapids include "Red Creek," "Hades," and "Little Hole." In addition to the challenging rapids, the Upper Green River is also known for its stunning scenery, which includes towering cliffs and lush vegetation.
To ensure the safety of all visitors, there are specific regulations in place for the Upper Green River. These regulations include mandatory use of a personal flotation device (PFD) for all participants, and a restriction on alcohol consumption during the river run. Additionally, permits are required for commercial outfitters who wish to guide trips on the Upper Green River.