Above Hoback Granite River Access

The Put In on the Hoback River in Sublette County, Wyoming is a whitewater put-in located at the coordinates 43.28328800, -110.53197100. The Hoback River is a significant mountain stream classified as a large river with a stream order of 6, originating from headwater areas and flowing through rugged terrain with substantial elevation changes. The water body spans 53.05 miles with a total elevation drop of 3,359 feet, creating an average gradient of 63.3 feet per mile, which indicates fast-moving whitewater conditions typical of Rocky Mountain rivers.

The Hoback River drains a watershed of 563 square miles and maintains an average flow of 501.29 cubic feet per second with an average velocity of 2.55 feet per second. These hydraulic characteristics indicate a dynamic and potentially challenging whitewater environment. The river's steep gradient and consistent flow make it suitable for intermediate to advanced paddlers seeking technical whitewater experiences. Boaters should be aware that this is a true mountain river system with the inherent hazards of fast current, potential rock gardens, and variable water conditions depending on seasonal snowmelt and weather patterns.

The put-in serves as an access point for multi-day or day trips down this scenic Wyoming river corridor. Paddlers should be prepared for cold water temperatures typical of high-elevation mountain streams and should check current water conditions and flow rates before launching, as the river's character can change significantly with seasonal variations.