Senner Reservoir   Be the first to submit input for Senner Reservoir. If you have info on Senner Reservoir, Dawson County, Montana please submit it here to improve this web site.          These outdoors activities are available near Senner Reservoir.   Public Lands Near Senner Reservoir: Makoshika State Park, Montana, 22 miles away   Hotels Near Senner Reservoir: Days Inn Glendive, Glendive, 20 miles away Comfort Inn Glendive, Glendive, 20 miles away Super 8 Glendive, Glendive, 20 miles away Knights Inn Glendive, Glendive, 20 miles away Richland Motor Inn, Sidney, 46 miles away