Stewart Mine — Rockhounding in San Diego County, California

Stewart Mine is a mapped rockhounding spot in San Diego County, California. Reported finds include bismuth. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: San Diego County
State: California
Nearest road: Henderson Road
Postcode: 92059
Coordinates: 33.38128, -117.06225

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Found at Stewart Mine

Each chip links to all spots in the U.S. that produce that material.

Bismuth

Nearby rockhounding spots

Other rockhounding spots within driving distance of Stewart Mine.

Stewart Mine FAQ

Where is Stewart Mine?+

Stewart Mine is in San Diego County, California, at 33.38128, -117.06225. Nearest road: Henderson Road.

What rocks and minerals can you find at Stewart Mine?+

Stewart Mine is reported to produce Bismuth.

Is collecting allowed at Stewart Mine?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

How do I get to Stewart Mine?+

Open the directions link to navigate to 33.38128, -117.06225 in Google Maps. The nearest road is Henderson Road.

More rockhounding in California

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Open Stewart Mine on the map

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