Mary Reservoir   Be the first to submit input for Mary Reservoir. If you have info on Mary Reservoir, Toole County, Montana please submit it here to improve this web site.          These outdoors activities are available near Mary Reservoir.   Hotels Near Mary Reservoir: Comfort Inn Shelby, Shelby, 36 miles away Super 8 Conrad, Conrad, 47 miles away   Ski Areas Near Mary Reservoir: Showdown, Montana, 97 miles away       1400 foot drop, 4 lifts, 34 runs