Harri Reservoir   Be the first to submit input for Harri Reservoir. If you have info on Harri Reservoir, Fergus County, Montana please submit it here to improve this web site.          These outdoors activities are available near Harri Reservoir.   Ski Areas Near Harri Reservoir: Bear Paw Ski Bowl, Montana, 84 miles away       900 foot drop, 2 lifts, 25 runs