The Whitewater River Run in California is a popular destination for whitewater enthusiasts. The ideal streamflow range for this segment is between 800 and 2000 cfs, making it a great run for intermediate and advanced paddlers. The segment covers a distance of around 5 miles and is rated as a class III to IV, with some rapids and obstacles that require technical skills to navigate safely.

Some of the notable rapids and obstacles include the Elk River Rapids, which consist of two back-to-back class III rapids, and the Widowmaker, a class IV drop that requires precise navigation. Other rapids such as the Ledge Drop and the Rock Garden also provide exciting challenges for paddlers.

There are some specific regulations to follow in this area, including a permit requirement for commercial outfitters and a ban on alcohol and glass containers. Additionally, visitors are advised to be aware of the potential presence of poison oak and to take precautions to avoid contact.

Overall, the Whitewater River Run offers a challenging and exciting experience for experienced whitewater paddlers. Visitors should be prepared with appropriate gear, training, and knowledge of the regulations and hazards associated with this segment.