Pinnacle Rock State Park is a 374-acre day-use park in Mercer County, West Virginia, centered on Pinnacle Rock, a sandstone formation that rises above the surrounding landscape. Designed for short visits and outdoor recreation, the park includes Jimmy Lewis Lake, a large stone picnic shelter, a picnic area, fishing, and a 2-mile hiking trail. An accessibility assessment conducted in 2005 by West Virginia University found the park offices to be accessible.