Mortimer Canyon Reservoir   Be the first to submit input for Mortimer Canyon Reservoir. If you have info on Mortimer Canyon Reservoir, Harney County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Mortimer Canyon Reservoir.   Camp Grounds Near Mortimer Canyon Reservoir: Crystal Crane Hot Springs, Burns, 9 miles away Sands Overnight Trailer Park, Burns, 9 miles away   Hotels Near Mortimer Canyon Reservoir: Days Inn Burns, Burns, 20 miles away Americas Best Inns-Burns, Burns, 21 miles away Best Western Rory & Ryan Inns, Hines, 22 miles away Best Western John Day Inn, John Day, 41 miles away   Hiking Trails Near Mortimer Canyon Reservoir: Rattlesnake Trail, Harney County, 7 miles away       3.8 hiking miles, 1144 feet elevation difference Call Meadow Trail, Harney County, 11 miles away        5.6 hiking miles, 431 feet elevation difference