Rockhounding sites near Cape Cod

21 rockhounding collecting sites within about 80 miles of Cape Cod, Massachusetts.

This page lists 21 natural rockhounding sites near Cape Cod, Massachusetts, sorted by distance within about 80 miles.

Where can you collect near Cape Cod?

Near Cape Cod, Massachusetts, our directory maps 21 natural rockhounding sites within about 80 miles of the city center — including 5 agate & jaspers, 13 fossilss, and 3 others. The closest mapped spot is Cotuit Port (2.2 mi straight-line). Distances are not drive time; open each listing for directions, fee notes, access rules, and safety context before you travel.

At a glance — rockhounding sites near Cape Cod

Central placeCape Cod, Massachusetts
Search radiusAbout 80 miles
Mapped spots21
Closest listingCotuit Port (2.2 mi)
Specimen typesAgate & Jasper (5), Fossils (13), Other (3)
Typical fees21 varies

All rockhounding sites near Cape Cod

21 rockhounding collecting sites in Massachusetts, sorted by distance from the city center. For live GPS sorting, use rockhounding sites near me.

Cotuit Port — fossil rockhounding site near Massachusetts, MA
FossilMA

Cotuit Port

Fossil collection site, Barnstable County, Massachusetts. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee varies2.2 mi awayMassachusetts
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Sandwich — agate rockhounding site near Massachusetts, MA
AgateMA

Sandwich

Sandwich is a documented mineral occurrence near MA. Reported specimens include Jasper. Verify land access and collecting rules before visiting.

Fee varies13 mi awayMassachusetts
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East Wareham — fossil rockhounding site near Massachusetts, MA
FossilMA

East Wareham

Fossil collection site, Massachusetts. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee varies20 mi awayMassachusetts
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Chappaquiddick Island — fossil rockhounding site near Massachusetts, MA
FossilMA

Chappaquiddick Island

Fossil collection site, Massachusetts. Environment: coastal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee varies22 mi awayMassachusetts
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Middlesborough — agate rockhounding site near Massachusetts, MA
AgateMA

Middlesborough

Middlesborough is a documented mineral occurrence near MA. Reported specimens include Agate, Chalcedony. Verify land access and collecting rules before visiting.

Fee varies33 mi awayMassachusetts
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Assawompset Pond — fossil rockhounding site near Massachusetts, MA
FossilMA

Assawompset Pond

Fossil collection site, Plymouth County, Massachusetts. Environment: lacustrine - small. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee varies35 mi awayMassachusetts
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Gay Head Cliffs — fossil rockhounding site near Massachusetts, MA
FossilMA

Gay Head Cliffs

Fossil collection site, Dukes County, Massachusetts. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee varies35 mi awayMassachusetts
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Marshfield — agate rockhounding site near Massachusetts, MA
AgateMA

Marshfield

Marshfield is a documented mineral occurrence near MA. Reported specimens include Jasper. Verify land access and collecting rules before visiting.

Fee varies36 mi awayMassachusetts
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Cohasset — agate rockhounding site near Massachusetts, MA
AgateMA

Cohasset

Cohasset is a documented mineral occurrence near MA. Reported specimens include Jasper, Epidote. Verify land access and collecting rules before visiting.

Fee varies49 mi awayMassachusetts
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Hewitts Cove Section — fossil rockhounding site near Massachusetts, MA
FossilMA

Hewitts Cove Section

Fossil collection site in the Cambridge, Plymouth County, Massachusetts. Environment: marginal marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee varies52 mi awayMassachusetts
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Narragansett Basin — fossil rockhounding site near The Rhode Island, MA
FossilMA

Narragansett Basin

Fossil collection site in the Rhode Island, Massachusetts. Environment: fluvial-lacustrine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee varies54 mi awayThe Rhode Island
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North Attleborough — fossil rockhounding site near The Wamsutta, MA
FossilMA

North Attleborough

Fossil collection site in the Wamsutta, Massachusetts. Environment: wet floodplain. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee varies58 mi awayThe Wamsutta
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Wrentham Rhodonite Mine — rhodonite rockhounding site near Wrentham, MA
RhodoniteMA

Wrentham Rhodonite Mine

Wrentham area mines historically produced rhodonite, Massachusetts's state gem, in metamorphic manganese deposits.

Fee varies60 mi awayWrentham
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Malden — novaculite rockhounding site near Massachusetts, MA
NovaculiteMA

Malden

Malden is a documented mineral occurrence near MA. Reported specimens include Novaculite. Verify land access and collecting rules before visiting.

Fee varies67 mi awayMassachusetts
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Rockport — amazonite rockhounding site near Massachusetts, MA
AmazoniteMA

Rockport

Rockport is a documented mineral occurrence near MA. Reported specimens include Amazonite. Verify land access and collecting rules before visiting.

Fee varies73 mi awayMassachusetts
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Rowley — agate rockhounding site near Massachusetts, MA
AgateMA

Rowley

Rowley is a documented mineral occurrence near MA. Reported specimens include Jasper. Verify land access and collecting rules before visiting.

Fee varies79 mi awayMassachusetts
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Map of rockhounding sites near Cape Cod

Pins within about 80 miles — open a listing for fees, access, and directions.

21 sites mapped near Cape Cod

Closest sites by distance

  1. Cotuit Port — 2 mi · Fossil
  2. Sandwich — 13 mi · Agate
  3. East Wareham — 20 mi · Fossil
  4. Lignitic Clay Megaspore Site — 22 mi · Fossil
  5. Chappaquiddick Island — 22 mi · Fossil
  6. Sankaty Head, Massachusetts (early Fauna; Pleistocene) — 32 mi · Fossil
  7. Weyquosque Cliffs (eastern Marl Bed) — 32 mi · Fossil
  8. Middlesborough — 33 mi · Agate
  9. Assawompset Pond — 35 mi · Fossil
  10. Gay Head Cliffs, Marthas Vineyard — 35 mi · Fossil
  11. Gay Head Cliffs — 35 mi · Fossil
  12. Marshfield — 36 mi · Agate
  13. Cohasset — 49 mi · Agate
  14. Hewitts Cove Section — 52 mi · Fossil
  15. Narragansett Basin — 54 mi · Fossil

Types of rockhounding sites near Cape Cod

Browse by specimen type in Massachusetts — each link opens the full state directory for that category.

Agate & Jasper rockhounding sites — natural outdoor collecting sites

Agate & Jasper (5)

Where to find agates and jasper in the U.S. — Lake Superior beaches, Ellensburg blue, Wyoming Sweetwater fields, Texas Terlingua, Mojave desert beds, and colorful chalcedony shorelines.

Fossils rockhounding sites — natural outdoor collecting sites

Fossils (13)

Trilobites, brachiopods, petrified wood, and other paleontological collecting on public land.

Other rockhounding sites — natural outdoor collecting sites

Other (3)

Mixed or specialty collecting — zeolites, fluorescent minerals, thundereggs, and unique regional finds.

Natural collecting sites in the Cape Cod area

Cape Cod is a practical launch point for day trips to natural rockhounding sites in Massachusetts. Within about 80 miles you will find 21 mapped destinations in our directory, starting with Cotuit Port about 2.2 mi from the city center.

The mix spans agate & jasper, fossils, other — related terms searchers use include creek gravel collecting, desert washes, road cuts, and field collecting.

How distances work near Cape Cod

Every card on this page is a verified directory entry in Massachusetts with map coordinates. We measure straight-line distance from the Cape Cod city center — not driving time. A creek rockhounding site 12 miles away on forest roads can take longer than a river access point 20 miles away on a highway.

Field collecting near Cape Cod includes informal gravel bars, dry washes, quarry faces, and developed park collecting areas. Rules, fees, and seasonal access differ by land manager. Never assume collecting is allowed without checking the listing and posted signs the day you visit.

Safety and field conditions near you

Field conditions near Cape Cod change after rain, snowmelt, and summer heat. Unstable slopes, heat exhaustion, loose rock, and flash floods are real risks at creek and quarry rockhounding sites — most sites have no supervision. Check weather and local advisories before you start digging.

We publish original planning copy, safety tips, and last-updated dates on each listing. See our editorial policy for sourcing standards, or contact us if access or conditions have changed.

How we research listings · Report a correction · Safety disclaimer

Rockhounding sites near Cape Cod — FAQ

Where can you collect near Cape Cod?

Near Cape Cod, Massachusetts, our directory lists 21 natural rockhounding sites within about 80 miles — mainly 5 agate & jaspers, 13 fossilss, and 3 others. Each listing links to directions, fee notes, and safety context. Use near me on your phone for live distance sorting from your location.

How many rockhounding sites are near Cape Cod, Massachusetts?

This page shows 21 mapped rockhounding collecting sites within about 80 miles of Cape Cod. The full Massachusetts directory may list additional holes farther out or awaiting coordinates. Counts update as we verify new listings.

What is the closest rockhounding site to Cape Cod?

The closest mapped spot to Cape Cod is Cotuit Port (2.2 mi straight-line). Open that listing for driving directions, access notes, and current fee information — unofficial holes can change without notice.

Are rockhounding sites near Cape Cod free?

21 have variable or unverified fees. Open each spot page for current fee details.

What types of rockhounding sites are near Cape Cod?

Near Cape Cod, documented specimen types include agate & jaspers, fossilss, others. A rockhounding site is a natural outcrop, wash, or creek gravel bar — not a fee dig or shop. Filter by type on the Massachusetts state page or open each card for specimen and access details.

When is the best time to visit rockhounding sites near Cape Cod?

Late spring through early fall is the usual field season near Cape Cod, but snowmelt, drought, and weekend crowds change conditions week to week. Check each listing before you drive — storms can make washes and creek banks unsafe.

Is it safe to collect near Cape Cod?

Field collecting near Cape Cod carries real risks: unstable slopes, heat, loose rock, and no rangers at most unofficial sites. Check weather and posted warnings the day you visit. Read our rockhounding safety basics guide and each listing's safety section before you dig.

Listing data last updated across spots on this page.

Use my locationAll Massachusetts spots