Big Snowy Reservoir   Be the first to submit input for Big Snowy Reservoir. If you have info on Big Snowy Reservoir, Phillips County, Montana please submit it here to improve this web site.          These outdoors activities are available near Big Snowy Reservoir.   Ski Areas Near Big Snowy Reservoir: Bear Paw Ski Bowl, Montana, 95 miles away       900 foot drop, 2 lifts, 25 runs