Porcupine Creek is a popular whitewater river run located in the state of Wyoming. The ideal streamflow range for this run is typically between 100 and 800 cubic feet per second (cfs), depending on the time of year and weather conditions. This range ensures that the river is flowing well enough to provide a fun and challenging ride, but not so high that it becomes dangerous.

Porcupine Creek is rated as a class II to III river, meaning that it has moderate rapids and currents that require some skill and experience to navigate safely. The segment mileage of this river run is approximately 13 miles, and it is known for its scenic views and challenging rapids.

Some of the specific rapids and obstacles on Porcupine Creek include Big Bend, a sharp turn that requires precise maneuvering, and Little Falls, a series of small drops that can be challenging for beginner paddlers. Other notable features of this river run include narrow channels and tight turns that add to the excitement of the ride.

In terms of regulations, Porcupine Creek is located within the Bridger-Teton National Forest and is subject to certain rules and restrictions. For example, visitors are required to have a valid permit to access the river, and motorized vehicles are not allowed in the area. Additionally, visitors are encouraged to practice Leave No Trace principles to help protect the natural environment.

Overall, Porcupine Creek is a popular whitewater river run that offers a fun and challenging experience for experienced paddlers. With its scenic views, challenging rapids, and specific regulations, it is a great destination for anyone looking to explore the great outdoors in Wyoming.