Union Lake   Be the first to submit input for Union Lake. If you have info on Union Lake, Ozarks, Franklin County, Missouri please submit it here to improve this web site.          These outdoors activities are available near Union Lake.   Lakes Near Union Lake: Washington Lions Lake, Franklin County, 10 miles away Artesian Lake, Washington County, 18 miles away   Public Lands Near Union Lake: Meramec State Park, Missouri, 5 miles away Robertsville State Park, Missouri, 18 miles away Onondaga Cave State Park, Missouri, 20 miles away   Camp Grounds Near Union Lake: Stanton/Meramec KOA, Stanton, 6 miles away KOA Kampgrounds, Stanton, 6 miles away Meramec Caverns, Stanton, 7 miles away Arapaho Campground and Canoe Rental, Sullivan, 8 miles away   Hotels Near Union Lake: Budget Lodging, Saint Clair, 6 miles away Super 8 Union, Union, 6 miles away Super 8 St. Clair MO, Saint Clair, 7 miles away Super 8 Washington, Washington, 10 miles away Brick Inn Bed and Breakfast, Washington, 10 miles away   Ski Areas Near Union Lake: Hidden Valley, Missouri, 30 miles away       250 foot drop, 6 lifts, 9 runs