Horse Reservoir   Be the first to submit input for Horse Reservoir. If you have info on Horse Reservoir, Prairie County, Montana please submit it here to improve this web site.          These outdoors activities are available near Horse Reservoir.   Public Lands Near Horse Reservoir: Makoshika State Park, Montana, 32 miles away   Hotels Near Horse Reservoir: Knights Inn Glendive, Glendive, 31 miles away Comfort Inn Glendive, Glendive, 32 miles away Super 8 Glendive, Glendive, 32 miles away Days Inn Glendive, Glendive, 32 miles away