The Whitewater River run from Headwaters in the Siskiyou Wilderness to Confluence with Ten Mile Creek in California spans approximately 15 miles and has a class rating of III-IV. The ideal streamflow range for this run is between 500-1000 cfs, with high levels above 1000 cfs and low levels below 150 cfs.

There are several notable rapids and obstacles on this run, including the Gravel Pit Rapid, which is a challenging class IV rapid, and the Washing Machine, which is a class III+ rapid that requires quick maneuvering. The run also features numerous boulder gardens and technical sections that require careful navigation.

Visitors to the area should be aware of specific regulations, including a limit on the number of daily visitors and a requirement for a permit to access the river. Additionally, all visitors are required to follow Leave No Trace principles and adhere to fire restrictions in the area.

Overall, the Whitewater River run offers a challenging and rewarding experience for experienced kayakers and rafters. However, visitors should be aware of the specific regulations and take precautions to ensure a safe and responsible trip.