Willow Creek is a popular whitewater river run located in Wyoming, with an ideal streamflow range of 300-1200 cfs. The river is rated as a class II-III, making it a great option for intermediate paddlers looking for a challenge. The segment mileage of the river run is 10 miles, providing ample opportunity for a full day of paddling.

The river features several specific rapids and obstacles, including Boulder Drop, a class III rapid with a large boulder in the center of the channel. Another notable obstacle is the S-Turn, a section of the river that requires precise maneuvering. Paddlers should also be aware of several sections of the river with low-hanging trees and other potential hazards.

There are specific regulations in place for the Willow Creek river run. Paddlers are required to have a life jacket and helmet, and groups should have a designated leader with experience in whitewater paddling. Additionally, paddlers should be aware of private property along the river and respect the rights of landowners.

Overall, Willow Creek offers a challenging yet accessible whitewater river run for intermediate paddlers. It is important to follow all regulations and safety precautions to ensure a safe and enjoyable experience.