The Whitewater River Run from Russel Lake to Mt. Jefferson Wilderness Boundary in Oregon is a thrilling adventure for experienced kayakers and rafters. The ideal streamflow range for this section of the river is between 500-1500 cfs, which typically occurs in the late spring and early summer. The class rating for this section of the river is Class III-IV, which means it has moderate to difficult rapids with irregular waves, strong currents, and narrow passages that require precise maneuvering.

The segment mileage for this run is approximately 10 miles, taking around 4-5 hours to complete. Some specific rapids and obstacles include Boulder Drop, which requires tight maneuvering through a narrow passage with boulders; Pinball, which has multiple rocks and boulders that create a pinball effect for rafts and kayaks; and Staircase, which has a series of steep drops and ledges.

There are specific regulations to the area that visitors must adhere to, such as obtaining a wilderness permit and following Leave No Trace principles. It is also important to note that motorized vehicles are not allowed in the wilderness area. Overall, the Whitewater River Run is a challenging and exhilarating adventure for experienced paddlers.