The Whitewater River Run is a thrilling adventure that begins above Blanding Hill and the road access to Virginia Cascades to the confluence with Firehole River in the state of Wyoming. The ideal streamflow range for this run is between 200 and 800 cfs, with the highest flows occurring in late spring and early summer. The class rating for this run varies from Class II to Class IV, depending on the specific segment of the river.

The segment mileage for the Whitewater River Run is approximately 10 miles, with several exciting rapids and obstacles along the way. Some notable rapids include the Entrance Rapid, the Narrows, and the Grand Finale. The Entrance Rapid is a Class III rapid that requires precise maneuvering to navigate safely. The Narrows is a narrow section of the river that includes several boulder gardens and technical drops, making it a thrilling challenge for experienced paddlers. The Grand Finale is the final rapid of the run and features a steep drop into a large pool.

Regulations for this area include a permit requirement for all commercial outfitters and a limit on the number of private parties allowed on the river each day. Additionally, all boaters must wear a personal flotation device and adhere to Leave No Trace principles to protect the natural environment of the area.

Overall, the Whitewater River Run is a must-try adventure for experienced paddlers looking for a challenging and exhilarating whitewater experience.