Powder River (Cantonment Reno) Paddle Report

Last Updated: December 8, 2025

Powder River, also known as Cantonment Reno, is a popular whitewater river run located in the state of Wyoming.


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Summary

The ideal streamflow range for this river is between 800-2,000 cfs. This level of water flow provides a thrilling and exciting ride for intermediate and advanced level paddlers. The river is rated as Class III+ to Class IV, and its segment mileage is approximately 5.5 miles long.

The Powder River run is known for its challenging rapids and obstacles. Some of the notable rapids include "Pinball," "The Narrows," and "The S-Turns," all of which require precise maneuvering to navigate successfully. There are also several large boulders and fallen trees that add an element of danger to the run. Paddlers are advised to exercise caution and be familiar with the river before attempting the run.

Specific regulations to the area include a permit requirement for commercial outfitters, as well as a requirement for all boaters to have a personal flotation device (PFD) and a whistle. The river is also closed during certain times of the year for wildlife management purposes.

Overall, the Powder River run is a challenging and exciting whitewater adventure for experienced paddlers. It offers a unique and scenic experience in the wilderness of Wyoming, and is a popular destination for those seeking a thrilling outdoor adventure.

River Run Details

Last Updated
River Levels 144 cfs (2.82 ft)
Percent of Normal +100%
Optimal Range 800-2000 cfs
Status Too Low
Class Level iii+-iv
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 06313500
       

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