California State Historic Park (Chaw'se) in the Sierra foothills near Pine Grove preserving North America's largest collection of bedrock mortars—about 1,185 mortar holes in marbleized limestone—used by Northern Sierra Miwok people for acorn processing. Includes a ceremonial roundhouse still used by Native Americans, reconstructed bark houses, and the Chaw'se Regional Indian Museum. Distinct from the gold-rush towns of Volcano and Fiddletown.
Field facts
| Region | Amador County, CA |
|---|---|
| Coordinates | 38.4256, -120.6400 |
| County | Amador |
| Manager | California State Parks |
| Also known as | Chaw'se |
| Feature | Bedrock mortar complex + Miwok cultural park |
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