Morristown Lake   Be the first to submit input for Morristown Lake. If you have info on Morristown Lake, Corson County, South Dakota please submit it here to improve this web site.          These outdoors activities are available near Morristown Lake.   Public Lands Near Morristown Lake: Llewellyn Johns Memorial State Recreation Area, South Dakota, 30 miles away Shadehill Recreation Area, South Dakota, 36 miles away