Big Reservoir   Be the first to submit input for Big Reservoir. If you have info on Big Reservoir, Lake County, Oregon please submit it here to improve this web site.          These outdoors activities are available near Big Reservoir.   Lakes Near Big Reservoir: Summer Lake, Lake County, 15 miles away   Public Lands Near Big Reservoir: Fort Rock State Park, Oregon, 29 miles away Fremont National Forest, Oregon, 34 miles away   Camp Grounds Near Big Reservoir: R & R Mobile & Rv Park, Christmas Valley, 6 miles away Ana Reservoir RV Park, Summer Lake, 8 miles away