Sullivan Lake   Be the first to submit input for Sullivan Lake. If you have info on Sullivan Lake, Custer County, Idaho please submit it here to improve this web site.          These outdoors activities are available near Sullivan Lake.   Lakes Near Sullivan Lake: Bayhorse Lake, Custer County, 10 miles away   Public Lands Near Sullivan Lake: Yankee Fork State Park, Idaho, 21 miles away Challis National Forest, Idaho, 30 miles away   Camp Grounds Near Sullivan Lake: Holman Creek Campground, Custer County, 6 miles away Bayhorse Campground, Custer County, 10 miles away   Hotels Near Sullivan Lake: SnowRun by ResortQuest, Ketchum, 27 miles away Greyhawk by ResortQuest, Ketchum, 27 miles away Wildflower by ResortQuest, Sun Valley, 27 miles away Sun Valley Resort, Sun Valley, 27 miles away Dollar Meadows by ResortQuest, Sun Valley, 27 miles away   Ski Areas Near Sullivan Lake: Sun Valley, Idaho, 27 miles away       3400 foot drop, 19 lifts, 75 runs Soldier Mountain, Idaho, 45 miles away       1425 foot drop, 3 lifts, 36 runs Lost Trail Powder Mountain, Montana, 80 miles away       1800 foot drop, 8 lifts, 45 runs   Whitewater Near Sullivan Lake: Salmon River, Custer/ LemhiCounty, 9 miles away       Class II - 70 miles long (East Fork of Salmon to Town of North Fork) Salmon River - Yankee Fork, CusterCounty, 15 miles away       Class IV-V - 26.8 miles long (Upper road end to Salmon River)