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