The Whitewater River Run from Scott District Boundary to Confluence with Sixmile Creek in California is a popular destination for recreational kayaking and rafting. The ideal streamflow range for this section of the river is between 300 and 800 cubic feet per second (cfs) during the spring months. The class rating for this section is Class III-IV, with technical rapids and obstacles such as Tight Squeeze, Staircase, and Sudden Impulse.

The segment mileage of this run is approximately 12 miles, with a total of 13 rapids along the way. The river flows through narrow canyons and granite boulders, making it a challenging and exciting ride for experienced paddlers. In addition to the rapids, there are also calm stretches of water for relaxation and enjoyment.

There are specific regulations in place for this area to ensure the safety of all visitors. A permit is required to access the river, and all paddlers must wear a properly fitting life jacket at all times. Additionally, fires are only permitted in designated areas, and all trash must be packed out. It is important to respect the natural environment and wildlife in the area, and to follow Leave No Trace principles.

Overall, the Whitewater River Run from Scott District Boundary to Confluence with Sixmile Creek is a thrilling and rewarding experience for advanced paddlers. It is important to plan ahead, check current river conditions, and follow all regulations to ensure a safe and enjoyable trip.