Rocky Reef Reservoir   Be the first to submit input for Rocky Reef Reservoir. If you have info on Rocky Reef Reservoir, Cascade County, Montana please submit it here to improve this web site.          These outdoors activities are available near Rocky Reef Reservoir.   Public Lands Near Rocky Reef Reservoir: Ulm Pishkun State Park, Montana, 17 miles away Helena National Forest, Montana, 29 miles away Giant Springs State Park, Montana, 37 miles away   Camp Grounds Near Rocky Reef Reservoir: Cascade, -blank-, 6 miles away   Hotels Near Rocky Reef Reservoir: Crystal Inn Hotel and Suites Great Falls, Great Falls, 27 miles away Holiday Inn Express Hotel & Suites GREAT FALLS, Great Falls, 28 miles away Comfort Inn & Suites Great Falls, Great Falls, 28 miles away Hilton Garden Inn Great Falls, Great Falls, 28 miles away Hampton Inn Great Falls, Great Falls, 29 miles away   Ski Areas Near Rocky Reef Reservoir: Great Divide, Montana, 49 miles away       1503 foot drop, 6 lifts, 140 runs Showdown, Montana, 77 miles away       1400 foot drop, 4 lifts, 34 runs Teton Pass, Montana, 78 miles away       1010 foot drop, 2 lifts, 26 runs