Where is the Green River?
The Green River begins in western Wyoming, trickling down from the Wind River Mountains, a wondrously jagged range of the Rockies. After Flaming Gorge Reservoir, it flows into Utah and quickly turns east into Colorado, before meandering west again into Utah.
The Green River ends in Canyonlands National Park at its confluence with the Colorado River. From the headwaters in Wyoming to the confluence in Utah, the Green River is 730 miles long.
What are the Green River’s Rafting Sections?
The Green River has many rafting sections! The most popular stretches include:
- Red Canyon (Northern Utah)
- Gates of Lodore (Colorado and Utah)
- Desolation Canyon (Utah)
- Labyrinth Canyon & Stillwater Canyon (Utah)
How long does it take to raft the Green River?
To raft the Green River from start to finish would take weeks. Luckily there are great sections to raft if you don’t have all the time in the world.
- Gates of Lodore commercial rafting trips last 3-5 days.
- Desolation Canyon commercial rafting trips last 4-6 days.
- Labyrinth Canyon commercial trips last 4-5 days.
What is the Average CFS on the Green River?
The Green River’s CFS changes dramatically as tributaries add and diversion dams take, keeping the flows ever-changing from canyon to canyon. Here are the typically low and high ranges during rafting season (spring to fall):
- Release from Flaming Gorge Reservoir: Average is around 2,000 CFS
- Dinosaur National Monument: Average range is between 7,000 and 25,000 CFS.
- Desolation Canyon: Average range is between 5,000 and 20,000 CFS
- Labyrinth Canyon: Average range is between 5,000 and 30,000 CFS
What are the Class of Rapids on the Green River?
Since the Green River is 730 miles long, it’s better to break up its rapids by canyons. Throughout the Green River’s journey to the Colorado River, there are many calm flat water sections, with mostly class II rapids when they do occur.
The largest rapids on the Green River are in Lodore Canyon with class III and IV rapids.
The canyon with the most rapids on the Green River is in Desolation Canyon, with over 60 class II rapids, and a few class III.
What sections of the Green River require a Permit to Raft?
- Gates of Lodore
- Desolation Canyon
- Labyrinth Canyon
- Stillwater Canyon
What sections of the Green River don’t require a Permit to Raft?
- 30 miles below Flaming Gorge Reservoir (Wyoming to Colorado state line)
- Browns Canyon before Dinosaur National Monument (Colorado)
- Uintah Basin after Dinosaur National Monument (Utah)
- Jensen to Ouray before Desolation Canyon (Utah)
