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California

Moonstone Beach, Trinidad CA

County park agates

Agate beach or gravel, tidal Documented siteLegal to collect

What you could find

Reported finds from this shoreline.

Agates and jasperAgates and jasper

Also reported: black-sand concentrates at creek mouths.

Photos via Wikimedia Commons: Teerui (Public domain).

Why this spot

Rockhounding locality: Humboldt County park beach at the Little River mouth, the legal alternative to Sue-meg for north coast agates

Documented in Humboldt rockhounding guides and beach directories as an agate and moonstone-chalcedony producer

Before you go

Hazards noted for this site.

Sneaker wavesCold water, river-mouth currents
check tide tables before rounding rocks

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.