The Whitewater River run in Washington state is a thrilling adventure that begins at the Pasayten Wilderness Boundary and ends at the Okanogan National Forest Boundary. The ideal streamflow range for the run is between 500 and 2000 cfs, which typically occurs during the spring snowmelt and early summer. The run is a Class III-IV, with some sections reaching Class V, and spans a total of 15 miles.

The run is known for its challenging rapids, including "Boulder Drop," "Squeeze Play," and "Pinball." These rapids require expert maneuvering skills and should only be attempted by experienced kayakers or rafters. Additionally, there are several logjams and sweepers throughout the run that pose potential hazards.

To ensure safety and preserve the natural environment, there are specific regulations in place for the area. These include restrictions on camping and campfires, as well as requirements for boater permits and proper waste disposal. It is important to research and follow these regulations before embarking on the Whitewater River run.

Overall, the Whitewater River run offers an exhilarating and challenging adventure for experienced kayakers and rafters. However, it is important to exercise caution and adhere to regulations to ensure a safe and enjoyable experience.