The Whitewater River run in the Mt. Adams Wilderness Boundary to Gifford Pinchot Nf Boundary in Washington is a popular destination for whitewater enthusiasts. The ideal streamflow range for this run is between 1,000-5,000 cfs, which usually occurs between May and July. The class rating for this run ranges from class III to IV, with some sections reaching class V.

The segment mileage for this run is approximately 12 miles, with the river flowing through a remote and rugged wilderness area. Some of the specific rapids and obstacles that paddlers may encounter on this run include Boulder Sluice, Devil's Kitchen, and the Narrows.

There are specific regulations that paddlers must follow when navigating this river, including obtaining a permit from the US Forest Service and following Leave No Trace principles. Additionally, motorized watercraft are not allowed on this section of the river.