Mystery Lake   Be the first to submit input for Mystery Lake. If you have info on Mystery Lake, Salmon River Mountains, Custer County, Idaho please submit it here to improve this web site.          These outdoors activities are available near Mystery Lake.   Lakes Near Mystery Lake: Falconberry Lake, Lemhi County, 13 miles away   Public Lands Near Mystery Lake: Challis National Forest, Idaho, 10 miles away   Camp Grounds Near Mystery Lake: Tincup Campground, Custer County, 6 miles away Transfer Campground, Custer County, 6 miles away Phillips Creek Transfer Campground, Custer County, 6 miles away West Fork Campground, Custer County, 7 miles away   Hotels Near Mystery Lake: SnowRun by ResortQuest, Ketchum, 48 miles away Greyhawk by ResortQuest, Ketchum, 48 miles away Knob Hill Inn, Ketchum, 49 miles away Sun Valley Resort, Sun Valley, 49 miles away River Ridge by ResortQuest, Sun Valley, 50 miles away   Ski Areas Near Mystery Lake: Sun Valley, Idaho, 48 miles away       3400 foot drop, 19 lifts, 75 runs Soldier Mountain, Idaho, 50 miles away       1425 foot drop, 3 lifts, 36 runs Lost Trail Powder Mountain, Montana, 83 miles away       1800 foot drop, 8 lifts, 45 runs   Whitewater Near Mystery Lake: Loon Creek, Custer/ LemhiCounty, 5 miles away       Class IV-V - 24 miles long (Loon Creek Ranger Station to confluence with M. Fork Salmon) Salmon River, CusterCounty, 12 miles away       Class IV - 14 miles long (Sunbeam Dam to Holman Creek) Salmon River, CusterCounty, 16 miles away       Class III-IV - 13 miles long (Stanley to Old Sunbeam Dam)