Bentonite Reservoir   Be the first to submit input for Bentonite Reservoir. If you have info on Bentonite Reservoir, Blue Mountains, Crook County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Bentonite Reservoir.   Public Lands Near Bentonite Reservoir: Cline Falls State Park, Oregon, 4 miles away Ochoco National Forest, Oregon, 38 miles away John Day Fossil Beds National Monument, Kimberly - OR, 36 miles away   Camp Grounds Near Bentonite Reservoir: Twin Springs Campground, Crook County, 3 miles away Lonesome Spring Campground, Crook County, 5 miles away Little Summit Campground, Wheeler County, 8 miles away   Hiking Trails Near Bentonite Reservoir: Owl Creek Trail, Wheeler County, 20 miles away        1 hiking miles, 301 feet elevation difference