The Whitewater River in Montana is a popular destination for kayaking and rafting enthusiasts. The ideal streamflow range for this river is between 500-1000 cfs, with higher flows in the spring and lower flows in the fall. This river is classified as a Class III-IV, making it suitable for intermediate to advanced paddlers.

The segment mileage of this river run is approximately 10 miles, starting at the Absaroka-Beartooth Wilderness Boundary and ending at the Headwaters in Section 25, T8S, R17E. The river features several challenging rapids, including a Class IV rapid known as "Screaming Left Turn" and a Class III rapid called "Whitewater Falls."

Specific regulations for the area include a permit requirement for overnight stays in the wilderness area. Additionally, due to the sensitivity of the ecosystem, visitors are required to follow Leave No Trace principles and pack out all trash. Campfires are also prohibited in some areas to reduce the risk of wildfires.

Overall, the Whitewater River run in Montana offers challenging rapids and beautiful wilderness scenery for experienced paddlers. It is important for visitors to follow regulations and respect the ecosystem to ensure the longevity of this natural resource.