Upper Slope Reservoir   Be the first to submit input for Upper Slope Reservoir. If you have info on Upper Slope Reservoir, Owyhee County, Idaho please submit it here to improve this web site.          These outdoors activities are available near Upper Slope Reservoir.   Public Lands Near Upper Slope Reservoir: Bruneau Dunes State Park, Idaho, 37 miles away   Hotels Near Upper Slope Reservoir: Best Western Plus Northwest Lodge, Boise, 44 miles away BEST WESTERN Foothills Inn, Mountain Home, 44 miles away Best Western Plus Vista Inn at the Airport, Boise, 45 miles away Sleep Inn Airport, Boise, 45 miles away Inn America Boise, Boise, 45 miles away   Ski Areas Near Upper Slope Reservoir: Bogus Basin, Idaho, 56 miles away       1800 foot drop, 7 lifts, 52 runs   Whitewater Near Upper Slope Reservoir: Battle Creek, OwyheeCounty, 13 miles away       Class II-III - 29 miles long (Headwaters to Owyhee River)