Lower Flat Lake   Be the first to submit input for Lower Flat Lake. If you have info on Lower Flat Lake, Jersey County, Illinois please submit it here to improve this web site.          These outdoors activities are available near Lower Flat Lake.   Lakes Near Lower Flat Lake: Clear Lake, Lincoln County, 9 miles away   Public Lands Near Lower Flat Lake: Castlewood State Park, Missouri, 24 miles away Route 66 State Park, Missouri, 26 miles away Cuivre River State Park, Missouri, 26 miles away   Marinas On or Near Lower Flat Lake: Winneberg Marina, Golden Eagle, 4 miles away Allan Joseph Marine, Golden Eagle, 4 miles away Eagles Landing Marina, Saint Charles, 7 miles away Gibson Marina, Saint Charles, 7 miles away Woodland Marina, Saint Charles, 7 miles away   Hotels Near Lower Flat Lake: Sleep Inn Saint Charles, Saint Charles, 10 miles away Holiday Inn Express Hotel & Suites ST CHARLES, Saint Charles, 11 miles away Garden Plaza St Louis West St Peters, Saint Peters, 11 miles away Country Inn & Suites By Carlson, St, Peters, MO, Saint Peters, 11 miles away Hampton Inn St LouisSt Charles, Saint Charles, 11 miles away   Ski Areas Near Lower Flat Lake: Hidden Valley, Missouri, 26 miles away       250 foot drop, 6 lifts, 9 runs   Whitewater Near Lower Flat Lake: Whitewater Outfitter - Raging Rivers Water Park, JerseyCounty, 11 miles away       Whitewater outfitter