Keystone Mine — Rockhounding in Del Norte County, California

Keystone Mine is a mapped rockhounding spot in Del Norte County, California. Reported finds include copper nuggets. Below: coordinates, access notes, nearby spots, and trip-planning links.

Map showing Keystone Mine in Del Norte County, California

Quick details

Access
Public area

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.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

State guidance last verified:

Found at Keystone Mine

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Keystone Mine.

Across the state line from Keystone Mine

Keystone Mine is close enough to the California border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Keystone Mine FAQ

Where is Keystone Mine?+
Keystone Mine is in Del Norte County, California, at 41.99306, -123.96278.
What rocks and minerals can you find at Keystone Mine?+
Keystone Mine is reported to produce Copper Nuggets.
Is collecting allowed at Keystone 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 Keystone Mine?+
Open the directions link to navigate to 41.99306, -123.96278 in Google Maps. Some spots are remote — check road conditions before driving out.

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