The Whitewater River Run from Fcronr Wilderness Boundary to Confluence With North Fork Elk Creek in Idaho is a popular destination for whitewater enthusiasts. The ideal streamflow range for this section of the river is between 800 and 2,000 cubic feet per second (cfs), according to the Idaho Whitewater Association. The class rating for this section is Class III-IV, offering a challenging run for experienced paddlers.

The segment mileage of this section of the river is approximately 11.2 miles, with several notable rapids and obstacles, including Devil's Slide, a steep, narrow, and technical rapid that requires precise maneuvering. Other obstacles include Big Kahuna, a large wave, and The Chute, a narrow and technical section that requires careful navigation.

Specific regulations for the area include a permit system for commercial outfitters, as well as restrictions on camping and campfires. The use of glass containers is also prohibited on the river. It is recommended that all paddlers wear proper safety equipment, including helmets and life jackets.

In summary, the Whitewater River Run from Fcronr Wilderness Boundary to Confluence With North Fork Elk Creek in Idaho offers a challenging and scenic run for experienced whitewater paddlers. With a Class III-IV rating, ideal streamflow range of 800-2,000 cfs, and notable rapids and obstacles, this section of the river requires careful navigation and proper safety equipment. Additionally, specific regulations apply to the area, including permit requirements, camping restrictions, and a ban on glass containers.