The Whitewater River run in Mt. Hood Wilderness Area is a popular destination for white-water rafting enthusiasts. The ideal streamflow range for this river is between 800-2000 cfs, which provides the perfect mix of excitement and safety for rafters. The whitewater river is rated as Class III-IV, which is suitable for intermediate to advanced rafters. The segment mileage of this river run is approximately 5.5 miles, starting from the Mt. Hood Wilderness boundary and ending at the confluence with Sandy River.

The Whitewater River run presents several rapids and obstacles, including "Boulder Sluice," "Pinball," and "Boxcar." These rapids offer challenging and thrilling experiences for rafters, but they require precise maneuvers and expert navigation skills. The run also features several scenic spots, such as the lush forests, imposing cliffs, and crystal-clear water that add to the beauty of the river.

There are specific regulations that rafters must follow to ensure their safety and preserve the natural environment. For instance, rafters must wear personal flotation devices (PFDs) at all times, and they must not litter or disturb the wildlife and vegetation in the area. Additionally, the Whitewater River run is only open during certain months of the year, usually between May and October, depending on the water level and weather conditions.

In conclusion, the Whitewater River run in Mt. Hood Wilderness Area is an exciting and challenging destination for white-water rafting enthusiasts. With its ideal streamflow range, Class III-IV rating, segment mileage, specific river rapids/obstacles, and regulations, this river run offers a perfect combination of adventure and natural beauty.