Triad Region State Parks Between 500 million and 1 billion years old, North Carolina's Sauratown Mountains, located just north of Greenboro and Winston-Salem, are some of the oldest mountains on Earth. The four state parks in the Triad region invite you to explore the unique lanscapes these mountains created millions of years ago through hiking, camping, climbing, paddling and more. Click on the tiles below to plan your trip to one of these four distinctive North Carolina treasures in the north central part of the state. Hanging Rock State Park Danbury, N.C. Haw River State Park Browns Summit, N.C. Mayo River State Park Mayodan, N.C. Pilot Mountain State Park Pinnacle, N.C.