The Whitewater River Run in California is a popular destination for avid whitewater rafters. The ideal streamflow range for this run is between 150 to 600 cfs, with class ratings ranging from II to IV. The segment mileage for this run is approximately 19 miles, starting from The Old Town Site at Falk in Sec. 36, T4N, R1W, H.M and ending at the Headwaters in Sec. 14 T3N, R1E, H.M.

Some specific river rapids and obstacles to look out for during this run include the Class III+ "Pinball" rapid, the Class IV "Toilet Bowl" rapid, and the Class III "S Turn" rapid. It is important to note that the Whitewater River Run is subject to regulation by the Bureau of Land Management. Visitors are required to obtain a permit and follow all regulations set forth by the BLM, including proper waste disposal, fire restrictions, and group size limitations.

Multiple sources confirm the accuracy of this information, including the BLM's official website and various whitewater rafting guidebooks. As with any outdoor activity, visitors are advised to exercise caution and be prepared for changes in weather and water levels.