Gartside Reservoir   Be the first to submit input for Gartside Reservoir. If you have info on Gartside Reservoir, Richland County, Montana please submit it here to improve this web site.          These outdoors activities are available near Gartside Reservoir.   Public Lands Near Gartside Reservoir: Makoshika State Park, Montana, 36 miles away Theodore Roosevelt National Park, Medora - ND, 69 miles away   Camp Grounds Near Gartside Reservoir: Green Acres Campground, Richland County, 6 miles away   Hotels Near Gartside Reservoir: Richland Motor Inn, Sidney, 9 miles away Lone Tree Inn, Sidney, 9 miles away Beaver Creek Inn and Suites, Wibaux, 28 miles away Days Inn Glendive, Glendive, 36 miles away Super 8 Glendive, Glendive, 36 miles away