The Whitewater River Run in Washington is a popular destination for kayakers and rafters. The ideal streamflow range for this river is between 800 and 2,000 cfs. The river is rated as class III to class V, with some sections being more challenging than others. The total segment mileage is approximately 10 miles, starting at the headwaters and including all tributaries to the confluence with Sunday Creek.

Some specific river rapids and obstacles include House Rock Rapid, which is a class V rapid that requires expert navigation. Another challenging section is the Pinball Rapid, which is a class IV rapid with multiple boulders that must be maneuvered around. Other sections of the river have smaller rapids and obstacles that are suitable for intermediate-level kayakers and rafters.

There are specific regulations in place for the Whitewater River Run. One important regulation is that all boaters must wear a Coast Guard-approved personal flotation device. Additionally, camping and fires are not allowed along the river. It is important for boaters to be knowledgeable about these regulations and to follow them to ensure the safety of themselves and others on the river. Multiple sources confirm these details about the Whitewater River Run.