Grassy Lake   Be the first to submit input for Grassy Lake. If you have info on Grassy Lake, Madison County, Montana please submit it here to improve this web site.          These outdoors activities are available near Grassy Lake.   Public Lands Near Grassy Lake: Lewis and Clark Caverns State Park, Montana, 29 miles away   Hotels Near Grassy Lake: Beaverhead by Resort Property Management, Big Sky, 33 miles away Arrowhead by Resort Property Management, Big Sky, 34 miles away Super 8 Whitehall, Whitehall, 34 miles away Sacajawea Hotel, Three Forks, 39 miles away Park Condos by Resort Property Management, Big Sky, 39 miles away   Ski Areas Near Grassy Lake: Moonlight Basin, Montana, 31 miles away       4166 foot drop, 7 lifts, 97 runs Big Sky, Montana, 33 miles away       4350 foot drop, 17 lifts, 150 runs Bridger Bowl, Montana, 74 miles away       2600 foot drop, 8 lifts, 71 runs   Whitewater Near Grassy Lake: Madison River, MadisonCounty, 19 miles away       Class I-IV - 10 miles long (Madison Dam to Route 84)