The Whitewater River Run is a popular rafting destination in Hawaii, known for its challenging rapids and scenic views. The ideal streamflow range for this river is between 100-500 cubic feet per second (cfs), which can fluctuate depending on rainfall and other factors. The river is classified as a Class III-IV, with some sections reaching Class V.

The segment mileage of the Whitewater River Run is approximately 7 miles, starting from the headwaters in the mountain bogs between Pepeopae and Pu’u Ali’i, and ending where pipes first meet the river and main diversion begins. Along the way, rafters will encounter several rapids and obstacles, including the notorious "Hole in the Wall" rapid and "Devil's Elbow" rapid.

To ensure the safety of all visitors, specific regulations apply to the area. Only experienced rafters with proper safety equipment are permitted to navigate the Whitewater River Run, and commercial tours are required to obtain permits and follow strict guidelines. Visitors are also reminded to respect the natural environment and leave no trace behind.

Overall, the Whitewater River Run is a thrilling and unforgettable adventure for seasoned rafters seeking a challenge. It is recommended to plan ahead, check streamflow conditions, and follow all safety guidelines and regulations.