Rainbow Lake   Be the first to submit input for Rainbow Lake. If you have info on Rainbow Lake, Custer County, Idaho please submit it here to improve this web site.          These outdoors activities are available near Rainbow Lake.   Lakes Near Rainbow Lake: Mill Lake, Blaine County, 12 miles away Hell Roaring Lake, Custer County, 15 miles away Imogene Lake, Custer County, 16 miles away   Public Lands Near Rainbow Lake: Challis National Forest, Idaho, 20 miles away Sawtooth National Forest, Idaho, 20 miles away Hagerman Fossil Beds National Monument, Hagerman - ID, 59 miles away   Hotels Near Rainbow Lake: SnowRun by ResortQuest, Ketchum, 27 miles away Greyhawk by ResortQuest, Ketchum, 27 miles away Knob Hill Inn, Ketchum, 29 miles away River Ridge by ResortQuest, Sun Valley, 29 miles away SnowStar by ResortQuest, Ketchum, 29 miles away   Ski Areas Near Rainbow Lake: Soldier Mountain, Idaho, 26 miles away       1425 foot drop, 3 lifts, 36 runs Sun Valley, Idaho, 27 miles away       3400 foot drop, 19 lifts, 75 runs Magic Mountain, Idaho, 94 miles away       700 foot drop, 3 lifts, 13 runs   Whitewater Near Rainbow Lake: Salmon River, CusterCounty, 8 miles away       Class II-III - 12 miles long (Hellroaring Creek to Redfish Lake Creek) Salmon River, CusterCounty, 14 miles away       Class IV - 14 miles long (Sunbeam Dam to Holman Creek) Salmon River, CusterCounty, 18 miles away       Class III-IV - 13 miles long (Stanley to Old Sunbeam Dam)