Bens Reservoir   Be the first to submit input for Bens Reservoir. If you have info on Bens Reservoir, Malheur County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Bens Reservoir.   Public Lands Near Bens Reservoir: Lake Owyhee State Park, Oregon, 34 miles away   Whitewater Near Bens Reservoir: Owyhee River, MalheurCounty, 20 miles away       Class III-IV - 65 miles long (Rome to Owyhee Reservoir)