Auxiliary Reservoir   Be the first to submit input for Auxiliary Reservoir. If you have info on Auxiliary Reservoir, Jefferson County, Illinois please submit it here to improve this web site.          These outdoors activities are available near Auxiliary Reservoir.   Lakes Near Auxiliary Reservoir: Rend Lake, Franklin County, 11 miles away Raccoon Lake, Marion County, 19 miles away   Marinas On or Near Auxiliary Reservoir: Rend Lake Marina, Benton, 9 miles away   Camp Grounds Near Auxiliary Reservoir: Squirrel's Nest, Sesser, 6 miles away Bates Campground, Sesser, 7 miles away Coy and wilma's One Stop, Sesser, 8 miles away   Hotels Near Auxiliary Reservoir: Quality Inn Mount Vernon, Mount Vernon, 10 miles away Days Inn Mount Vernon, Mount Vernon, 10 miles away Holiday Inn MOUNT VERNON, Mount Vernon, 10 miles away Hampton Inn Mt Vernon, Mount Vernon, 10 miles away Fairfield Inn & Suites Mount Vernon Rend Lake, Mount Vernon, 10 miles away