Sloan Reservoir   Be the first to submit input for Sloan Reservoir. If you have info on Sloan Reservoir, Fergus County, Montana please submit it here to improve this web site.          These outdoors activities are available near Sloan Reservoir.   Ski Areas Near Sloan Reservoir: Bear Paw Ski Bowl, Montana, 76 miles away       900 foot drop, 2 lifts, 25 runs