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The Whitewater River Run from Confluence with Bell Creek to Boiling Springs Cabin in Idaho is a popular destination for whitewater enthusiasts. The ideal streamflow range for this section of the river is between 1,000 and 3,000 cfs. At lower flows, the rapids can be more technical and rocky, while at higher flows, the rapids become more powerful and fast-paced.

This section of the river is rated as Class IV, making it suitable for experienced rafters and kayakers. The segment mileage is approximately 10 miles, with rapids such as Devil's Tooth, The Ladder, and Fang. Devil's Tooth is a particularly challenging rapid with a large boulder in the center of the river that requires precise maneuvering to navigate safely.

There are specific regulations for this area, including the requirement of a permit to run the river and a limit on the number of permits issued per day. Additionally, visitors are required to pack out all trash and respect the natural environment.

In conclusion, the Whitewater River Run from Confluence with Bell Creek to Boiling Springs Cabin is a thrilling and challenging section of the river with a Class IV rating. The ideal streamflow range is between 1,000 and 3,000 cfs, and there are specific regulations in place to protect the environment and ensure visitor safety.