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Keweenaw Point — Rockhounding in Keweenaw County, Michigan

The exposed Lake Shore Traps along the wave-washed tip of the Keweenaw Peninsula carry agate-filled amygdules and datolite, with larger Keweenaw agates working loose from a narrow gravel band at the waterline. The State of Michigan and The Nature Conservancy secured public access to roughly 6,275 acres here in 2003, keeping the Point open for shoreline collecting. Thomsonite and chalcedony round out the finds. Reported finds include keweenaw agate, thomsonite, datolite, chalcedony, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Keweenaw Point photos

Public image records connected to this spot or its reported material.

1 photo

Map showing Keweenaw Point in Keweenaw County, Michigan

Quick details

Access
Public area
Postcode
49918

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 Keweenaw Point

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 Keweenaw Point.

Keweenaw Point FAQ

Why is Keweenaw Point one of the best rockhounding spots in Michigan?+
The exposed Lake Shore Traps along the wave-washed tip of the Keweenaw Peninsula carry agate-filled amygdules and datolite, with larger Keweenaw agates working loose from a narrow gravel band at the waterline. The State of Michigan and The Nature Conservancy secured public access to roughly 6,275 acres here in 2003, keeping the Point open for shoreline collecting. Thomsonite and chalcedony round out the finds.
Where is Keweenaw Point?+
Keweenaw Point is in Keweenaw County, Michigan, at 47.40792, -87.71151.
What rocks and minerals can you find at Keweenaw Point?+
Keweenaw Point is reported to produce Keweenaw Agate, Thomsonite, Datolite, Chalcedony, Jasper.
Is collecting allowed at Keweenaw Point?+
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 Keweenaw Point?+
Open the directions link to navigate to 47.40792, -87.71151 in Google Maps. Some spots are remote — check road conditions before driving out.

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