Indian Grinding Rock State Historic Park, Historic Native American park in Pine Grove, United States.
Indian Grinding Rock State Historic Park spans 135 acres of meadows and valley oaks in the Sierra Nevada foothills of California.
The Miwok people created 1,185 mortar holes in the marbleized limestone grinding rock, forming North America's largest collection of bedrock mortars.
The Chaw'se Regional Indian Museum displays artifacts from twenty local tribes, including basketry, tools, and traditional ceremonial objects.
The park provides 22 campsites equipped with fire rings and picnic tables, plus seven traditional bark houses for an alternative camping experience.
The limestone grinding rock features 363 petroglyphs dating back three thousand years, representing rare Native American rock art in California.
Location: Amador County
GPS coordinates: 38.42489,-120.64352
Latest update: March 11, 2025 12:41
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