Nanny Mountain is a mountain summit in York County in the state of South Carolina (SC). Nanny Mountain climbs to an elevation of above sea level. The mountain is located near Lake Wylie and was privately owned, but now it is currently open to the public from 8am to 6pm and the park is owned and operated by York County Parks. References External links Nanny Mountain Summit - South Carolina Mountain Peak Information Mountains of South Carolina Landforms of York County, South Carolina Protected areas of York County, South Carolina Inselbergs of Piedmont (United States)