The Whitewater River Run in California offers a thrilling whitewater experience with class III and IV rapids. The ideal streamflow range for this run is between 700 and 1500 cfs, which typically occurs in the spring and early summer months. The segment mileage from the outlet of Green Meadows to the bridge above South Fork Campground is approximately 6 miles.

Some notable rapids and obstacles along the run include "Bouncing Rock," a class III+ rapid with a large boulder in the middle, and "Zapata Falls," a class IV drop with a narrow chute. The run also features tight turns and technical maneuvers that require skilled navigation.

To ensure safety and protect the environment, there are specific regulations in place for the Whitewater River Run. The boundary extends 0.25 miles on each side of the river, and camping is only allowed in designated areas. Additionally, boaters must wear personal flotation devices and respect the natural surroundings by packing out all trash.

Overall, the Whitewater River Run offers a challenging and exciting adventure for experienced whitewater enthusiasts who are properly equipped and prepared.