Welcome to Indian Grinding Rock State Historic Park
Indian Grinding Rock State Historic Park is located in the Sierra Nevada foothills, eight miles east of Jackson. The park is nestled in a small valley 2,400 feet above sea level with open meadows and large valley oaks that once provided Native Americans with an ample supply of acorns.  The 135-acre park preserves a great outcropping of marbleized limestone with 1,185 mortar holes—the largest collection of bedrock mortars anywhere in North America. Trails make it easy to explore the meadows and surrounding forest. The Chaw’se Regional Indian Museum features a variety of exhibits and an outstanding collection of Sierra Nevada Indian artifacts. A Miwok village and roundhouse have been reconstructed in the middle of the valley.


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