The Whitewater River Run at the Wilderness Boundary just below Tokopah Falls in California is a popular destination for river enthusiasts. The ideal streamflow range for this section of the river is between 400-800 cfs. The run is classified as a Class III-IV and covers a distance of 7.5 miles from the Wilderness Boundary to the confluence with the Middle Fork Kaweah River.

There are several notable rapids and obstacles along the way, including the Tokopah Falls, the Entrance Exam, the Chute, and the S-Turns. These rapids require skill and experience to navigate safely and are not recommended for beginners.

To preserve the natural beauty of the area and protect the wildlife habitat, there are specific regulations in place for the Whitewater River Run. The Wilderness Boundary extends 0.25 miles on each side of the river, and visitors must obtain a wilderness permit to access the area. Additionally, visitors are required to follow Leave No Trace principles and pack out all trash and waste.

Overall, the Whitewater River Run at the Wilderness Boundary is a challenging and exhilarating experience for experienced river runners. However, visitors must take care to follow regulations and respect the natural environment to ensure the continued enjoyment of this beautiful area.