The Whitewater River Run from Outlet of Lake Wenatchee to Wenatchee NF Boundary is a popular kayaking and rafting destination in Washington state. The ideal streamflow range for this run is between 800-3000 cfs, which typically occurs during spring runoff or after heavy rainfall. This segment of the river is rated as Class III-IV, meaning it contains moderate to difficult rapids with irregular waves and obstacles that require advanced maneuvering skills.

The total segment mileage for this run is approximately 10 miles, with notable rapids such as "Boulder Drop" and "Tinley Falls" providing challenging and exciting experiences for experienced paddlers. However, caution is advised as there are also dangerous hazards such as sweepers and strainers that can be life-threatening.

Specific regulations to the area include a requirement for all paddlers to wear a US Coast Guard-approved personal flotation device (PFD) at all times while on the river. Additionally, motorized watercraft are not allowed on this stretch of the river.

Overall, the Whitewater River Run from Outlet of Lake Wenatchee to Wenatchee NF Boundary is a thrilling and challenging destination for experienced kayakers and rafters, but safety precautions must be taken to ensure a safe and enjoyable experience.