The Whitewater River Run is an exhilarating and challenging adventure that begins at the headwaters in Section 11, T5S, R1E, HM, and flows all the way to the Pacific Ocean in California. The ideal streamflow range for this run is between 500 and 1500 cfs. The river is classified as a class III-IV, which means it has moderate to difficult rapids. The total segment mileage for the run is around 30 miles.

The Whitewater River has several notable rapids and obstacles, such as the Wallowa Falls, which is a 15-foot waterfall and can be dangerous for inexperienced paddlers. Another obstacle is the Boxcar Rapid, which is a long and technical rapid that requires precise maneuvering. The Last Chance Rapid is also a challenging section of the river, with boulders and a steep drop-off.

There are specific regulations that apply to this area, including the requirement for all paddlers to wear a personal flotation device (PFD) at all times. Additionally, overnight camping permits are required for those wishing to camp along the riverbank.

Multiple sources indicate that the Whitewater River Run is a thrilling and demanding adventure that requires skill and experience on the water. It is important to research the optimal streamflow range, class rating, specific river rapids/obstacles, and regulations before embarking on this adventure.