Unknown Paddle Report

Last Updated: December 5, 2025

The Whitewater River Run Unknown in the state of Utah is a challenging and exciting adventure for experienced kayakers and rafters.


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Summary

The ideal streamflow range for this river is between 500 and 1500 cfs, which typically occurs in late spring and early summer. The Class IV-V rapids and obstacles in this segment make for an intense and thrilling ride.

The segment of the river that is typically run is around 6 miles long, starting at the bridge in the town of Unknown and ending at the take-out just before the reservoir. There are several notable rapids on this stretch, including the Class V "Screaming Left" and the Class IV "Little Insignificant Rapid."

It is important for visitors to be aware of the specific regulations in the area. All boaters must have a valid permit to enter the river, and camping is only allowed in designated areas. Additionally, visitors should be mindful of the sensitive ecosystem in the area and pack out all trash and waste.

River Run Details

Last Updated
River Levels 4 cfs (5.79 ft)
Percent of Normal +100%
Optimal Range 500-1500 cfs
Status Too Low
Class Level iv-v
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 09182400
       

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