Colorado River
Westwater Canyon River Guide
Westwater Canyon on the Colorado River is a classic western whitewater boating destination, stretching about 17 miles through a deep, scenic canyon of dramatic rock and desert landscape. The river here features 11 named rapids ranging from Class I to Class IV, making it an exciting and technical run that’s only recommended for experienced boaters. Trips can be done as a long single-day float or a one-night/ two-day adventure, with designated campsites along the way assigned by river rangers prior to launch.
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Weather Forecast
What's the daily forecast at the put-in for Westwater Canyon?
Current River Conditions
What's the current CFS for Westwater Canyon based on the nearest USGS gauge?
Current Water Level
4,030CFS
Updated Mar 28, 10:00 PM
Ideal Water Level
2,000–30,000CFS
Flow Trend
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Common Questions
What paddlers most often want to know about Westwater Canyon.
Do I need a permit to run Westwater Canyon on the Colorado River?
Yes — a permit from Recreation.gov is required for all boaters on Westwater Canyon. Permits become available two months in advance of the desired launch date at 8:00 AM MST. Any available date within the two-month window can also be reserved up to 11:59 AM on the actual day of launch.
What class of rapids does Westwater Canyon have?
Westwater Canyon features 11 named rapids ranging from Class I to Class IV, including Funnel Falls, Skull, and Last Chance — making it an exciting and technical run through dramatic Precambrian rock walls in one of the Colorado River's most ancient exposed canyons.
How do I get a permit for Westwater Canyon?
Westwater Canyon permits are first-come, first-served through Recreation.gov, opening two months before each launch date at 8:00 AM MST. Because the canyon is popular and permits go quickly, set a calendar reminder and be ready to book the moment your window opens.
How long is the Westwater Canyon trip on the Colorado River?
Westwater Canyon covers approximately 17 miles from the Westwater put-in to the Cisco take-out and can be run as a long single day or a comfortable 2-day overnight trip. Designated campsites are assigned by river rangers prior to launch.
What are the most challenging rapids in Westwater Canyon?
The most significant rapids in Westwater Canyon are Skull Rapid (Class IV) and Funnel Falls (Class III–IV). Skull is the defining drop of the canyon — a powerful slot rapid that requires a precise entry line and is carefully scouted by most groups on their first visit.
Outfitters & Guides
Rimrock Adventures provides guided rafting, horseback riding, equipment rentals, shuttle service, groover rentals, and offers a private boat launch for their customers.
Calendar
Here are some key dates to remember for Westwater Canyon.
Release Windows & Cancellations
Jan 1 @ 1AM MST – Dec 31 @ 1AM MST
Permits/reservations become available two months prior to desired launch date at 8 a.m. Mountain Standard Time
Permit System
recreation.gov
Notes
Permits/reservations become available two months prior to the desired launch date at 8 a.m. Mountain Standard Time. Any available launch date within the two month window is also available for reservation up to 11:59 a.m. on the day of the launch.
Permit cancellations on Westwater Canyon are claimed fast — often within minutes. Sign in to see real-time availability and get notified the moment a permit opens.