Flat Top Reservoir   Be the first to submit input for Flat Top Reservoir. If you have info on Flat Top Reservoir, Fergus County, Montana please submit it here to improve this web site.          These outdoors activities are available near Flat Top Reservoir.   Camp Grounds Near Flat Top Reservoir: James Kipp Campground, Fergus County, 7 miles away   Ski Areas Near Flat Top Reservoir: Bear Paw Ski Bowl, Montana, 66 miles away       900 foot drop, 2 lifts, 25 runs