Old Cooper Reservoir   Be the first to submit input for Old Cooper Reservoir. If you have info on Old Cooper Reservoir, Gallatin County, Montana please submit it here to improve this web site.          These outdoors activities are available near Old Cooper Reservoir.   Lakes Near Old Cooper Reservoir: Hyalite Lake, Gallatin County, 10 miles away   Public Lands Near Old Cooper Reservoir: Gallatin National Forest, Montana, 24 miles away Custer National Forest, Montana, 33 miles away Yellowstone National Park, Yellowstone National Park - WY, 31 miles away   Campgrounds Near Old Cooper Reservoir: Bear Canyon RV Park, Bozeman, 3 miles away Blackmore Campground, Gallatin County, 9 miles away Palace Butte Campground, Gallatin County, 9 miles away Langohr Springs Campground, Gallatin County, 11 miles away   Hotels Near Old Cooper Reservoir: Western Heritage Inn, Bozeman, 8 miles away Western Heritage Inn, Bozeman, 12 miles away Lehrkind Mansion Bed and Break, Bozeman, 13 miles away Imperial Inn Bozeman, Bozeman, 13 miles away Rainbow Motel, Bozeman, 14 miles away   Hiking Trails Near Old Cooper Reservoir: Bangtail Trail, Gallatin County, 12 miles away   Ski Areas Near Old Cooper Reservoir: Bridger Bowl, Montana, 12 miles away       2600 foot drop, 8 lifts, 71 runs Big Sky, Montana, 39 miles away       4350 foot drop, 17 lifts, 150 runs Moonlight Basin, Montana, 41 miles away       4166 foot drop, 7 lifts, 97 runs   Whitewater Near Old Cooper Reservoir: Yellowstone River, ParkCounty, 20 miles away       Class I-III - 4 miles long (Gardiner to Miner)