The Whitewater River Run Headwaters To Confluence With Loon Creek in Idaho is a popular destination for whitewater enthusiasts. The ideal streamflow range for this run is between 800-1800 cfs, which is considered a moderate to high flow. The class rating for this section is class III-IV, with some sections reaching class V. The total segment mileage for this run is approximately 34 miles, with plenty of rapids and obstacles to navigate along the way.

Some of the specific rapids and obstacles include Big Falls, a class V rapid with a 30-foot waterfall drop, and Devil's Tooth, a class IV rapid with a tricky entrance and two large boulders to avoid. Other notable rapids include Triple Drop, Jumpoff, and S-Turn.

There are specific regulations to the area, such as a permit requirement for all overnight trips and a limit on the number of people allowed per group. Additionally, all boaters are required to pack out all trash and follow Leave No Trace principles to preserve the natural beauty of the area.