Mackay Reservoir   Be the first to submit input for Mackay Reservoir. If you have info on Mackay Reservoir, Lost River Range, Custer County, Idaho please submit it here to improve this web site.          These outdoors activities are available near Mackay Reservoir.   Public Lands Near Mackay Reservoir: Craters Of The Moon National Monument, Arco - ID, 31 miles away   Camp Grounds Near Mackay Reservoir: River Park Golf Course, Mackay, 4 miles away Wagon wheel Motel and RV Park, Mackay, 4 miles away White Knob Motel and Trailer Park, Mackay, 7 miles away   Hotels Near Mackay Reservoir: Villager by ResortQuest, Sun Valley, 32 miles away Elkhorn Village, Sun Valley, 47 miles away The Ridge by ResortQuest, Sun Valley, 48 miles away Wildflower by ResortQuest, Sun Valley, 48 miles away Dollar Meadows by ResortQuest, Sun Valley, 48 miles away   Ski Areas Near Mackay Reservoir: Sun Valley, Idaho, 52 miles away       3400 foot drop, 19 lifts, 75 runs Pomerelle Mountain, Idaho, 81 miles away       1000 foot drop, 4 lifts, 24 runs Soldier Mountain, Idaho, 83 miles away       1425 foot drop, 3 lifts, 36 runs   Whitewater Near Mackay Reservoir: Big Lost River - East Fork, CusterCounty, 13 miles away       Class II-III - 27.1 miles long (Headwaters to Forks)