The Whitewater River Run from Wy-Co State Line to Encampment River Wilderness Boundary in Wyoming is a popular destination for kayakers and rafters. The ideal streamflow range for this run is between 500 and 1,500 cubic feet per second (cfs), which generally occurs in May and June. The river is rated as Class III to IV, with several challenging rapids and obstacles such as Tepee, Snowshoe, and Boxcar.

The total segment mileage for this river run is approximately 13 miles, which can be completed in around 4 to 6 hours depending on water levels and skill level. It is important to note that this stretch of river is located within the boundaries of the Medicine Bow National Forest and is subject to specific regulations and restrictions.

Visitors to the area must obtain a permit from the Forest Service and follow strict guidelines for camping, campfires, and human waste disposal. It is also important to respect the natural environment and wildlife in the area. Additionally, the use of motorized watercraft is prohibited on this section of the river.

In summary, the Whitewater River Run from Wy-Co State Line to Encampment River Wilderness Boundary in Wyoming is a challenging and exhilarating experience for experienced kayakers and rafters. The ideal streamflow range is between 500 and 1,500 cfs, with Class III to IV rapids and obstacles. Visitors must obtain a permit and follow specific regulations and restrictions to protect the natural environment and wildlife in the area.