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Hamilton Bay, Kupreanof Island

Alaska
Directions
Next site in AlaskaHamilton Bay · 0.3 mi

Can I collect here?

Pro
See who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
Read the collecting rules by land type

Based on our latest records, with claims updated from the BLM on Oct 15, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

Nearby sites

All of Alaska
0.3 miHamilton BayAgate, jasper, petrified wood6 miSouthernmost Keku IslandFossil7 miIslet in Frederick Sound - 9543Fossil

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About Hamilton Bay, Kupreanof Island

Hamilton Bay, Kupreanof Island is a fossil collection site in Alaska, cataloged in the Paleobiology Database. The depositional environment is recorded as marine indet. Documented finds include Fenestella, Crinoidea.

Geologic setting

Geologic interval
Late Devonian
Age
382.31–358.86 Ma
Depositional environment
marine indet.
Recorded occurrences
2
Locality notes

Hamilton Bay, Kupreanof Island, about 6.5 miles southeast of Kake.

Fossils found here

Fenestella
Stenolaemata · Fenestellidae
Crinoidea
Crinoidea

Records and references

Data: Paleobiology Database collection 112163 (CC BY 4.0) — view the source record

Getting there

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Questions about Hamilton Bay, Kupreanof Island

Can you collect at Hamilton Bay, Kupreanof Island?

It depends on who owns the land and whether a mining claim covers it. BLM land usually allows hand collecting for personal use, national parks allow none, and private land needs the owner’s permission. Pro members see the owner and any claims at this spot.

What minerals are found at Hamilton Bay, Kupreanof Island?

Fossil.

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What to bring

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Source: Paleobiology Database.