Indian Grinding Rock State Historic Park

Amador County, Sierra Nevada Foothills, California · State Historic Park

State historic park in the Sierra foothills featuring the largest known bedrock mortar site, a reconstructed Miwok village, roundhouse, museum, oak woodlands, and hiking and camping among historic Native American cultural sites.

Campgrounds

• Indian Grinding Rock Campground — Year-round · 21 tent sites · Drive-in · reserve
• U'macha'tam'ma' Environmental Living/Group Camp — Open (checked 2026-08-04) · Group camp

Top trails

• Indian Grinding Rock South Nature Trail — 1.4 mi · Loop
• North Trail — 1.0 mi · Loop

Coordinates: 38.4251, -120.6409.

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