Hedgehog Hill Quarry: Albite & Almandine Garnet Rockhounding in Oxford County, Maine

Updated June 2026

Hedgehog Hill Quarry is a mapped rockhounding spot in Oxford County, Maine. Reported finds include albite, almandine garnet, beryl, mica, chrysoberyl, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Oxford County
State: Maine
Nearest road: Hammond Hill Road
Postcode: 04290
Coordinates: 44.46878, -70.45608

Geology at Hedgehog Hill Quarry

This spot sits on Carrabassett Formation, mapped as schist that formed roughly 420 to 360 million years ago. Metamorphic belts like this often host pegmatite dikes, the coarse-crystal bodies that typically carry beryl, tourmaline, and sheet mica.

Mapped unit: Carrabassett Formation
Age: 420–360 Ma (Devonian)
Rock types: schist
Elevation: 970 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Hedgehog Hill Quarry

Best months: April to October. Typical highs run 78°F in midsummer and 26°F in midwinter, with winter lows near 6°F.

Climate normals: NOAA 1991-2020 monthlies, RUMFORD 1 SSE station (6 mi away), adjusted for elevation.

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: April 1, 2026

Maine Geological Survey
Maine Mineral & Gem Museum
Acadia National Park rules
Community submissions reviewed against published agency rules

Found at Hedgehog Hill Quarry

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 Hedgehog Hill Quarry.

Across the state line from Hedgehog Hill Quarry

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

Hedgehog Hill Quarry FAQ

Where is Hedgehog Hill Quarry?+

Hedgehog Hill Quarry is in Oxford County, Maine, at 44.46878, -70.45608. Nearest road: Hammond Hill Road.

What rocks and minerals can you find at Hedgehog Hill Quarry?+

Hedgehog Hill Quarry is reported to produce Albite, Almandine Garnet, Beryl, Mica, Chrysoberyl, Fluorapatite, Feldspar, Quartz, Smoky Quartz, Schorl.

Is collecting allowed at Hedgehog Hill Quarry?+

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.

What tools should I bring to Hedgehog Hill Quarry?+

A rock hammer, a pry bar, gloves, and safety glasses suit pegmatite ground. Work weathered zones and check dump piles; coarse crystals often sit in decomposed rock.

When is the best time to visit Hedgehog Hill Quarry?+

The most comfortable months at Hedgehog Hill Quarry are April to October.

How do I get to Hedgehog Hill Quarry?+

Open the directions link to navigate to 44.46878, -70.45608 in Google Maps. The nearest road is Hammond Hill Road.

More rockhounding in Maine

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Open Hedgehog Hill Quarry on the map

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