The Whitewater River in Oregon is a popular destination for kayaking and rafting enthusiasts due to its challenging rapids and beautiful scenery. The ideal streamflow range for this river run is between 600 and 1500 cfs, with the best time to go being during the spring and early summer months. The river is rated as a Class III to IV, with some Class V sections in certain areas. The segment mileage for this run is approximately 11.5 miles, starting from Highway 22 and ending at the confluence with Rainbow Creek.

The Whitewater River has several notable rapids and obstacles, including "The Narrows," which is a tight, technical section with several drops and boulder gardens. "Staircase" is another challenging rapid that requires precise maneuvering to avoid the large boulders and hydraulics. Additionally, "Deadman's Drop" is a steep, powerful drop that requires a solid line to avoid getting caught in the hydraulic.

In terms of regulations, all boaters must have a valid Oregon Boater's Pass and be aware of any seasonal closures or restrictions in the area. It is also important to practice Leave No Trace principles and respect the natural environment while enjoying this beautiful river. Overall, the Whitewater River run Highway 22 to Confluence With Rainbow Creek is a thrilling and challenging adventure for experienced kayakers and rafters.