The Whitewater River Run from Salt River Trailhead to NF Boundary in Idaho is a popular destination for paddlers of all levels. The ideal streamflow range for this run is between 1000-5000 cfs, which typically occurs in the spring months due to snowmelt. The segment mileage is approximately 7.5 miles, and the river is rated as a Class III-IV, with several challenging rapids and obstacles.

Some of the notable rapids on this run include Big Kahuna, a long and technical drop that requires precise maneuvering, and Lunch Counter, a high-volume rapid with large waves and a challenging entry point. The river also features several large boulders and tight turns, which require skilled navigation.

There are specific regulations in place for this area, including a permit system for overnight stays. Additionally, all paddlers are required to wear a personal flotation device at all times while on the river. It is also important to note that the river can be dangerous and unpredictable, and all paddlers should have appropriate experience and equipment before attempting this run.