The Whitewater River Run is a popular destination for kayakers and rafters in the state of Washington. The ideal streamflow range for this run is between 1,000 and 5,000 cfs, which typically occurs during the spring and early summer months.

The class rating for this run is primarily Class III, with some Class IV rapids towards the end of the run. The segment mileage is approximately 18 miles, starting at the End of Upper Hoh Road and beginning of Hoh River Trail and ending at the Western Boundary of Olympic National Park.

Some specific rapids and obstacles on this run include Boulder Drop, Elbow Room, and the Roaring Twenties. It is important to note that kayakers and rafters must obtain a backcountry permit from Olympic National Park before embarking on this run. Additionally, all regulations and guidelines set forth by Olympic National Park must be followed to ensure the safety of all participants.