Dukes Creek is a 16-mile long tributary of the Salmon River and is located in central Idaho. The ideal streamflow range for Dukes Creek is between 300 and 800 cubic feet per second (cfs), which typically occurs during the spring runoff season in May and June. The class rating of Dukes Creek ranges from Class II to Class IV, with the most challenging rapids found in the upper section of the river.

The segment mileage of Dukes Creek is divided into three sections, with the upper section being the most challenging, the middle section being more moderate, and the lower section being the easiest. The upper section features challenging rapids such as Pinball, S-Turn, and the infamous Toilet Bowl. The middle section of the river is characterized by deep pools and boulder gardens, while the lower section is less challenging and offers a more relaxing float.

There are no specific regulations for Dukes Creek, but all boaters are required to follow standard safety protocols, such as wearing proper personal flotation devices and carrying necessary safety equipment. Additionally, there are no permits required to float Dukes Creek, but it is recommended to check with local authorities for the most up-to-date information on river conditions and any potential hazards.

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