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Cow Creek is a popular whitewater river run located in the state of Idaho. The ideal streamflow range for this river is between 600-1500 cfs. The class rating for Cow Creek is Class II-III, which means it is suitable for intermediate paddlers with some experience. The segment mileage for Cow Creek is approximately 6 miles.

Cow Creek has several notable rapids and obstacles, including the "Squeeze," a narrow chute that requires precise maneuvering. There is also a series of drops and ledges known as "The Rodeo" that can be challenging during high water flows.

In terms of regulations, Cow Creek is located within the boundaries of the Nez Perce-Clearwater National Forests, and access is regulated by the Forest Service. A permit is required for overnight camping along the river, and visitors are expected to follow Leave No Trace principles and pack out all trash.

Overall, Cow Creek offers an exciting and challenging whitewater experience for intermediate paddlers. However, it is important to check current streamflow conditions and be prepared for potential hazards on the river.