The Whitewater River Run Headwaters to Nf Boundary in Utah is a popular destination for experienced kayakers and rafters. The ideal streamflow range for this run is between 200 and 600 cfs, although some thrill-seekers may tackle it at higher levels. This segment covers a distance of approximately 8.5 miles and has a class rating of III-IV.

The river rapids and obstacles on this run include Boulder Falls, a steep staircase drop that requires precise navigation, and the Class IV V-Notch, a narrow chute that can be challenging to navigate. The run also has several Class III rapids, such as Cutthroat, which features a large boulder in the middle of the channel.

There are specific regulations that apply to this area, including a permit requirement for commercial outfitters and a prohibition on camping within 150 feet of the river. Visitors are also required to pack out all trash and follow Leave No Trace principles to preserve the natural beauty of the area.