Prairie City Reservoir   Be the first to submit input for Prairie City Reservoir. If you have info on Prairie City Reservoir, Blue Mountains, Grant County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Prairie City Reservoir.   Public Lands Near Prairie City Reservoir: Malheur National Forest, Oregon, 35 miles away Unity Lake State Park, Oregon, 36 miles away John Day Fossil Beds National Monument, Kimberly - OR, 61 miles away   Hotels Near Prairie City Reservoir: Best Western John Day Inn, John Day, 17 miles away Days Inn Burns, Burns, 50 miles away   Hiking Trails Near Prairie City Reservoir: Onion Creek Trail, Grant County, 6 miles away       7 hiking miles, 1861 feet elevation difference Ragged Rocks Trail, Grant County, 7 miles away        1.8 hiking miles, 673 feet elevation difference Indian Creek Trail, Grant County, 7 miles away       6.6 hiking miles, 3374 feet elevation difference