The Whitewater River Run Wilderness Boundary to Confluence with East Fork Beaver Creek is a popular river run located in Wyoming. This section of the river is approximately 20 miles long and is classified as Class I-III, with some Class IV rapids at higher flows.

The ideal streamflow range for this section of the river is between 500 and 1500 cfs. Below 500 cfs, the river may be too shallow and rocky, while above 1500 cfs, the rapids can become too challenging for less experienced paddlers.

Some notable rapids and obstacles on this section of the river include Boof Falls, Box Elder Rapids, and S-Turn Rapid. Boof Falls is a Class IV drop that requires precise navigation, while Box Elder Rapids is a technical rapid with numerous rocks and obstacles. S-Turn Rapid is a sweeping bend with multiple channels that require paddlers to carefully choose their path.

There are specific regulations to the area that visitors must adhere to. Permits are required for overnight camping in the wilderness area. All visitors are required to practice Leave No Trace principles and pack out all trash. Camping is only allowed in designated areas, and fires are not permitted.

In conclusion, the Whitewater River Run Wilderness Boundary to Confluence with East Fork Beaver Creek is a challenging and scenic river run located in Wyoming. Paddlers should be experienced and cautious, and adhere to all regulations to ensure the sustainability of the area for future generations.