Cottonwood Reservoir   Be the first to submit input for Cottonwood Reservoir. If you have info on Cottonwood Reservoir, Powder River County, Montana please submit it here to improve this web site.          These outdoors activities are available near Cottonwood Reservoir.   Camp Grounds Near Cottonwood Reservoir: Red Shale Campground, Powder River County, 6 miles away   Hotels Near Cottonwood Reservoir: Super 8 Colstrip, Colstrip, 33 miles away Lakeview Bed & Breakfast, Colstrip, 33 miles away Holiday Inn Express MILES CITY, Miles City, 41 miles away Comfort Inn Miles City, Miles City, 41 miles away Super 8 Miles City, Miles City, 41 miles away   Ski Areas Near Cottonwood Reservoir: Antelope Butte, Wyoming, 89 miles away       1000 foot drop, 3 lifts, 18 runs