RECREATION & SUSTAINABLE TRAVEL, Parks & Gardens, Parks - State Parks
14881 Pine Grove-Volcano Road Pine Grove, CA 95665 USA
209-296-7488
Indian Grinding Rock State Historic Park is a California State Park, preserving an outcropping of marbleized limestone with some 1,185 mortar holes—the largest collection of bedrock mortars in North America. It is located i... Read more >
