Mill Reservoir   Be the first to submit input for Mill Reservoir. If you have info on Mill Reservoir, Harney County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Mill Reservoir.   Public Lands Near Mill Reservoir: Cline Falls State Park, Oregon, 34 miles away John Day Fossil Beds National Monument, Kimberly - OR, 44 miles away   Camp Grounds Near Mill Reservoir: Buck Spring Campground, Harney County, 3 miles away   Hotels Near Mill Reservoir: Best Western Rory & Ryan Inns, Hines, 48 miles away Americas Best Inns-Burns, Burns, 48 miles away Days Inn Burns, Burns, 49 miles away