Powder River (Cantonment Reno) Paddle Report

Last Updated: December 9, 2025

The Powder River, also known as Cantonment Reno, is located in the northeastern part of Wyoming.


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Summary

The ideal streamflow range for this river run is between 300 and 1,500 cubic feet per second (cfs), which typically occurs from late March to early June. This class II-III rated river run is roughly 55 miles long, with the segment from Sussex Road to State Highway 450 being the most popular.

The river features several rapids and obstacles to navigate, including Whirlpool, Highline, and Powerhouse Rapids. Whirlpool Rapid is a class III rapid that requires maneuvering around large boulders and avoiding a large hole in the river. Highline Rapid is a class II rapid that has a sharp turn and requires precise navigation. Powerhouse Rapid is a class III rapid that has a steep drop and a large wave at the bottom.

There are specific regulations in place for this river run, including a requirement for personal floatation devices (PFDs) to be worn at all times on the river. Additionally, camping is only permitted in designated areas, and visitors must pack out all trash and waste.

Overall, the Powder River/Cantonment Reno river run is a popular destination for intermediate paddlers seeking a fun and challenging experience.

River Run Details

Last Updated
River Levels 144 cfs (2.82 ft)
Percent of Normal +100%
Optimal Range 300-1500 cfs
Status Too Low
Class Level ii-iii
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 06313500
       

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