The Whitewater River Run in Arizona is a popular adventure destination for enthusiasts seeking the thrill of Class III and IV rapids. The ideal streamflow range for this river is between 1,000 and 5,000 cfs, which typically occurs during the months of April through June. The segment mileage for this run is approximately 14 miles, stretching from the Eastern Edge of Kwagunt Valley (past the Butte Fault) to the Confluence with the Colorado River.

The Whitewater River Run is rated as a Class III and IV run, with specific rapids and obstacles including House Rock Rapid, Upset Rapid, and Hance Rapid. These rapids are challenging and require experience and skill to navigate safely. The river also has several waterfalls and pools, which add to the excitement of the run.

Regulations for the Whitewater River Run include obtaining a permit from the National Park Service, as the run is located within the Grand Canyon National Park. The permit system is designed to limit the number of visitors and protect the environment. Additionally, all visitors must follow Leave No Trace principles and pack out all trash.

Overall, the Whitewater River Run is a challenging and exciting adventure for experienced rafters seeking a unique and beautiful setting. However, it is important to follow regulations and safety guidelines to ensure a safe and enjoyable experience for all visitors.