Summary
The ideal streamflow range for the river is between 2,000 and 12,000 cubic feet per second (cfs), which typically occurs during the months of May through September. The river is rated as a Class II-IV, depending on the section being navigated. The total segment mileage for the river is approximately 120 miles, with various access points along the way.
Some of the specific rapids and obstacles on the Green River include Split Mountain, Triplet Falls, and Hell's Half Mile. Split Mountain, located in Dinosaur National Monument, is a Class III rapid that features large waves and rocks. Triplet Falls is a Class IV rapid that requires precision maneuvering through narrow channels and boulder-strewn waters. Hell's Half Mile is a Class III rapid that is known for its large waves and steep drops.
Specific regulations to the area include permits for camping and river use, as well as restrictions on the use of motorized watercraft in certain sections. Additionally, visitors are required to follow Leave No Trace principles and pack out all trash.
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River Run Details
| Last Updated | 2025-06-28 |
| River Levels | 24400 cfs (12.3 ft) |
| Percent of Normal | 31% |
| Status | |
| Class Level | ii-iv |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 09315000 |
Green River