The Whitewater River Run from Headwaters to Confluence with Yankee Fork in Idaho is a highly sought after adventure for whitewater enthusiasts. The ideal streamflow range for this run is between 800-2000 cfs, which typically occurs in the spring and early summer months. The class rating for this run is class III-IV, with some sections reaching class V during peak flow. The segment mileage for this run is approximately 12 miles.

One of the main obstacles on this run is the infamous Box Canyon, a narrow and technical section of the river with steep drops and tight turns. Other notable rapids include Little Falls, Pumphouse and Eye of the Needle. It is important to note that due to the remote location of this run, there are no safety services available, so proper safety precautions and experience are necessary.

There are specific regulations in place for this area, including a permit requirement for commercial outfitters and a limit on the number of private boaters per day. Additionally, all boaters are required to carry a fire pan and pack out all trash to minimize the impact on the surrounding wilderness area.

In conclusion, the Whitewater River Run from Headwaters to Confluence with Yankee Fork in Idaho offers a thrilling and challenging adventure for experienced whitewater enthusiasts. It is important to adhere to regulations and safety precautions to ensure a successful and enjoyable trip.