Tie Hack Dam and Reservoir is located at the confluence of the South Fork of Clear Creek and Sourdough Creek and provides water to the City of Buffalo. The dam was finished in 1997 and stands at an elevation of 7,900 feet. Tie Hack Reservoir is a popular fishing spot; anglers can catch Brook, Brown, Cutthroat Trout, and Grayling, and no motorized boats are allowed on Tie Hack. Other nearby fishing spots include Meadowlark Lake, Lake DeSmet, Healy Reservoir, and tributaries of Clear Creek to name a few.