Best spot

Clark Hill Quarries — Rockhounding in Lower Connecticut River Valley Planning Region, Connecticut

Clark Hill in Meshomasic State Forest is a second DEEP-sanctioned collecting site and includes the well-known Nathan Hall Quarry. Its pegmatites carry sharp books of muscovite, large almandine garnet, beryl in colors from yellow through aqua, and the uranium micas autunite and torbernite, along with fluorapatite and pocket microcline. It is one of the few places in Connecticut where the classic New England pegmatite suite can be collected legally. Reported finds include beryl, aquamarine, garnet, muscovite, autunite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Clark Hill Quarries photos

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

1 photo

Map showing Clark Hill Quarries in Lower Connecticut River Valley Planning Region, Connecticut

Quick details

Access
Public area
Nearest road
Woodcutters Road
Postcode
06424

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.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Clark Hill Quarries

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 Clark Hill Quarries.

Across the state line from Clark Hill Quarries

Clark Hill Quarries is close enough to the Connecticut border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Clark Hill Quarries FAQ

Why is Clark Hill Quarries one of the best rockhounding spots in Connecticut?+
Clark Hill in Meshomasic State Forest is a second DEEP-sanctioned collecting site and includes the well-known Nathan Hall Quarry. Its pegmatites carry sharp books of muscovite, large almandine garnet, beryl in colors from yellow through aqua, and the uranium micas autunite and torbernite, along with fluorapatite and pocket microcline. It is one of the few places in Connecticut where the classic New England pegmatite suite can be collected legally.
Where is Clark Hill Quarries?+
Clark Hill Quarries is in Lower Connecticut River Valley Planning Region, Connecticut, at 41.59369, -72.54319. Nearest road: Woodcutters Road.
What rocks and minerals can you find at Clark Hill Quarries?+
Clark Hill Quarries is reported to produce Beryl, Aquamarine, Garnet, Muscovite, Autunite, Torbernite, Fluorapatite, Smoky Quartz, Columbite, Zircon.
Is collecting allowed at Clark Hill Quarries?+
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 Clark Hill Quarries?+
Open the directions link to navigate to 41.59369, -72.54319 in Google Maps. The nearest road is Woodcutters Road.

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