The Whitewater River Run is a popular destination for whitewater rafting enthusiasts in Washington state. The headwaters of the river are located in the Cascade Range and the river flows for approximately 22 miles before it reaches the confluence with McAlester Creek. The river includes all of its tributaries, which provide a diverse range of rapids and obstacles for rafters to navigate.

The ideal streamflow range for the Whitewater River Run is between 1,500 and 3,000 cubic feet per second (cfs). This range provides enough water to create exciting rapids while still maintaining a safe flow for rafting. The river is rated as class III to IV, which means it has moderate to difficult rapids with significant obstacles that require technical maneuvers.

The segment mileage of the Whitewater River Run varies depending on the starting point, but most rafting trips cover around 10 miles of the river. Specific rapids and obstacles on the river include Devil's Toenail, Cable Drop, and Big Eddy. These rapids require precise navigation and offer an adrenaline-fueled experience for rafters.

Regulations for the Whitewater River Run include the use of personal flotation devices (PFDs) for all participants and the requirement of experienced guides for commercial rafting trips. Additionally, the area is subject to seasonal closures and restrictions to protect the river's ecosystem.