The whitewater river run from Confluence Rock Creek, Sec. 34, T8S, R19E to Absaroka-Beartooth Wilderness Boundary in Montana is a thrilling adventure for experienced kayakers and rafters. The ideal streamflow range for this section is between 700-1,500 cfs. The class rating varies from Class III to Class IV, with steep drops, tight turns, and big waves. The segment mileage is approximately 10 miles long and takes around 3-4 hours to complete.

The river rapids/obstacles in this section include "The Slot", a tight and technical drop that requires precise navigation, "The S-Turn", a series of tight turns through boulder fields, and "The Narrows", a narrow channel with large waves and boulders.

Specific regulations to the area include a permit system for commercial outfitters and limits on group sizes for private trips. Additionally, visitors are required to pack out all trash and human waste and follow Leave No Trace principles to protect the fragile ecosystem of the wilderness area.