The Middle Fork Cottonwood Creek is a popular whitewater river run in California. The ideal streamflow range for this river is between 400-600 cubic feet per second (cfs). The class rating for this river ranges from class III to IV, depending on the water levels. The segment mileage for this run is approximately 7 miles.

This river run features several exciting rapids and obstacles, including "Washing Machine," "Toilet Bowl," and "Box Canyon." These rapids are challenging and require experienced paddlers to navigate safely.

There are specific regulations in place for this area. All boaters must obtain a permit from the US Forest Service to access the Middle Fork Cottonwood Creek. Additionally, all boaters must wear a US Coast Guard-approved personal flotation device and must not litter or disturb the natural environment.

In summary, the Middle Fork Cottonwood Creek is a thrilling whitewater river run that requires experienced paddlers to navigate safely. The ideal streamflow range is between 400-600 cfs, and the class rating ranges from class III to IV. The segment mileage is approximately 7 miles, and there are specific regulations in place to protect the environment and ensure safety.