The Whitewater River Run Outlet Stanley Lake To Confluence With Valley Creek is located in Idaho and is a popular destination for kayakers and rafters. The ideal streamflow range for this river is between 500 and 1,500 cfs, which provides exciting rapids and obstacles while still maintaining safety. The class rating for this river ranges from class II to class IV, making it suitable for intermediate to experienced paddlers.

The segment mileage for this river run is approximately 12 miles, starting at Outlet Stanley Lake and ending at the confluence with Valley Creek. The river rapids and obstacles include the Big Eddy, a class IV rapid, and several class III rapids such as the S-Turn, Shark's Tooth, and Grandaddy. The river also features beautiful scenery, including the Sawtooth Mountains and the Stanley Basin.

Specific regulations to the area include obtaining a permit from the Sawtooth National Recreation Area, which can be obtained online or at the ranger station. The permit includes regulations such as a limit of 25 people per group, no camping within 300 feet of the river, and no campfires within a quarter-mile of the river. It is important for paddlers to follow these regulations to protect the natural environment and ensure a safe and enjoyable experience for all.

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