Lubec Lead Mine: Anglesite & Bornite Rockhounding in Washington County, Maine

Plan your visit

Generally open to casual rockhounding

County

Washington County

State

Maine

Nearest road

Lead Mine Road

Postcode

04652

Coordinates

44.84024, -67.05329

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

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.

Best time to visit Lubec Lead Mine

Comfortable months (45 to 90°F highs)

Best months: April to November. Typical highs run 75°F in midsummer and 30°F in midwinter, with winter lows near 15°F.

Climate normals: NOAA 1991-2020 monthlies, EASTPORT station (5 mi away).

Geology at Lubec Lead Mine

This spot sits on Leighton Formation, mafic to felsic volcanic rock member, mapped as felsic volcanic and mafic volcanic that formed roughly 445 to 420 million years ago. Copper minerals such as malachite and chrysocolla typically show up where mineralized rock like this has weathered and oxidized near old workings.

Mapped unit

Leighton Formation, mafic to felsic volcanic rock member

Age

445–420 Ma (Silurian)

Rock types

felsic volcanic and mafic volcanic

Elevation

120 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.

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