Burnside Reservoir   Be the first to submit input for Burnside Reservoir. If you have info on Burnside Reservoir, Powder River County, Montana please submit it here to improve this web site.          These outdoors activities are available near Burnside Reservoir.   Ski Areas Near Burnside Reservoir: Antelope Butte, Wyoming, 96 miles away       1000 foot drop, 3 lifts, 18 runs