Gollum Reservoir   Be the first to submit input for Gollum Reservoir. If you have info on Gollum Reservoir, Blue Mountains, Crook County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Gollum Reservoir.   Public Lands Near Gollum Reservoir: Cline Falls State Park, Oregon, 20 miles away John Day Fossil Beds National Monument, Kimberly - OR, 35 miles away   Hiking Trails Near Gollum Reservoir: Owl Creek Trail, Wheeler County, 15 miles away        1 hiking miles, 301 feet elevation difference Coffeepot Trail, Wheeler County, 17 miles away        1.8 hiking miles, 887 feet elevation difference Black Canyon Trail, Wheeler County, 17 miles away       8.1 hiking miles, 3351 feet elevation difference