Lake Tranquill   Be the first to submit input for Lake Tranquill. If you have info on Lake Tranquill, Ozarks, Jefferson County, Missouri please submit it here to improve this web site.          These outdoors activities are available near Lake Tranquill.   Lakes Near Lake Tranquill: Artesian Lake, Washington County, 9 miles away Lake Tishomingo, Jefferson County, 12 miles away Lake Tekawitha, Jefferson County, 13 miles away Lake Wauwanoka, Jefferson County, 16 miles away   Public Lands Near Lake Tranquill: Washington State Park, Missouri, 8 miles away Crawford State Park, Washington, 9 miles away Robertsville State Park, Missouri, 13 miles away Ozark National Scenic River, Van Buren - MO, 68 miles away   Hotels Near Lake Tranquill: Quality Inn Near Six Flags St. Louis, Pacific, 14 miles away Comfort Inn Near Six Flags St. Louis, Pacific, 15 miles away Travelodge Six Flags / Gray Summit, Gray Summit, 15 miles away Super 8 Potosi, Potosi, 16 miles away Holiday Inn SAINT LOUIS WEST AT SIX FLAGS, Eureka, 17 miles away   Ski Areas Near Lake Tranquill: Hidden Valley, Missouri, 19 miles away       250 foot drop, 6 lifts, 9 runs