The Whitewater River Run, starting at Headwaters and running to the Confluence with West Fork in Idaho, is a challenging yet exhilarating experience for experienced whitewater enthusiasts. The ideal streamflow range for this run is between 1,000-2,500 cfs. This range provides the best balance of speed and control needed to navigate the challenging rapids that range in class from II-IV. The segment mileage for this run is approximately 8 miles.

The specific river rapids/obstacles that you will encounter on this run are numerous, and can be quite challenging. Some of the more notable rapids include Clarno Rapid, which is a class III-IV rapid that requires careful navigation to avoid large holes and rocks. Other notable rapids include the Pumphouse Rapid, which is a fast-moving class II rapid, and the Smith Creek Rapid, a technical class IV rapid that requires precise maneuvering to avoid the numerous rocks and drops.

In terms of specific regulations, it is important to note that this run is not recommended for inexperienced whitewater enthusiasts. Additionally, all boaters are required to wear personal flotation devices (PFDs) at all times while on the river. Finally, it is important to note that all boaters should be aware of the potential for flash flooding and other weather-related hazards, as these can significantly impact the conditions on the river.