Gros Ventre Reservoir   Be the first to submit input for Gros Ventre Reservoir. If you have info on Gros Ventre Reservoir, Carter County, Montana please submit it here to improve this web site.          These outdoors activities are available near Gros Ventre Reservoir.   Public Lands Near Gros Ventre Reservoir: Medicine Rocks State Park, Montana, 19 miles away Devils Tower National Monument, Devils Tower - WY, 53 miles away   Camp Grounds Near Gros Ventre Reservoir: Ekalaka Park Campground, Carter County, 7 miles away   Hotels Near Gros Ventre Reservoir: Best Western Devils Tower Inn, Hulett, 48 miles away   Ski Areas Near Gros Ventre Reservoir: Terry Peak, South Dakota, 81 miles away       1100 foot drop, 6 lifts, 24 runs