Horstmann Lake   Be the first to submit input for Horstmann Lake. If you have info on Horstmann Lake, Clinton County, Illinois please submit it here to improve this web site.          These outdoors activities are available near Horstmann Lake.   Lakes Near Horstmann Lake: Carlyle Reservoir, Clinton County, 15 miles away   Hotels Near Horstmann Lake: Super 8 Okawville, Okawville, 3 miles away Timmermann House Bed & Breakfa, Aviston, 8 miles away Best Western U. S. Inn, Nashville, 13 miles away Super 8 Carlyle, Carlyle, 14 miles away Holiday Inn Express HIGHLAND, Highland, 17 miles away   Ski Areas Near Horstmann Lake: Hidden Valley, Missouri, 77 miles away       250 foot drop, 6 lifts, 9 runs