The Whitewater River Run Gifford Pinchot NF Boundary to Tatoosh Wilderness Boundary in Washington is a popular destination for whitewater enthusiasts. The ideal streamflow range for this run is between 400 and 2000 cfs, with the best conditions occurring between April and June. This is a class III-IV run, with a total segment mileage of approximately 8 miles.

The river features several notable rapids, including Double Drop and Screaming Left Turn. There are also numerous boulder gardens and tree strainers that add to the challenge of the run. It is important for paddlers to be aware of these obstacles and to have the necessary skills and equipment to navigate them safely.

In terms of regulations, the use of motorized craft is prohibited on this section of the river. Additionally, all paddlers must wear a personal flotation device and carry a whistle. It is also important to practice Leave No Trace principles and to respect private property along the river.

Overall, the Whitewater River Run Gifford Pinchot NF Boundary to Tatoosh Wilderness Boundary is a challenging and scenic whitewater run that attracts experienced paddlers from around the region. It is important for paddlers to be aware of the ideal streamflow range, class rating, segment mileage, specific river rapids/obstacles, and regulations to ensure a safe and enjoyable experience on the river.