Rockhounding in Washington County, Maine

5 mapped rockhounding spots in Washington County. Most commonly produces calcite, malachite, quartz, agate.

Washington County rockhounding photos

Representative spot and material photos from this county, shown where verified public image records are available.

1 photo

Fine placer flour gold in a pan, like the gold from the St. Croix River — St. Croix River at Grand Falls FlowageWashington County, Maine

Minerals reported in Washington County

Calcite2
Malachite2
Quartz2
Agate1
Amethyst1
Analcime1
Anglesite1
Bloodstone1

Standout in Washington County

Hand-picked spot in Washington County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
St. Croix River at Grand Falls Flowage
Public
Washington County
The Maine Geological Survey lists the St. Croix River at Baileyville among the state's recreational gold-panning streams, where the gold is very fine flour gold thought to be shed from nearby base-metal mineralization. A state-owned boat access on the Grand Falls Flowage gives free public entry to the water. Garnet and magnetite occur in the same black sand.
Gold, Garnet, Magnetite

Spots in Washington County

Spot	Minerals	Coordinates	Access
Gleason CoverSipayik Trail	Jasper	44.9677, -67.0593	Public
Jasper BeachJasper Beach Road	Red Jasper	44.6276, -67.3873	Public
Lubec Lead MineLead Mine Road	Anglesite Bornite Calcite Cerussite Chalcopyrite Dolomite Epidote Galena +8 more	44.8402, -67.0533	Public
PerryKingsbury Road	Analcime Calcite Datolite Malachite Prehnite Agate Amethyst Bloodstone +3 more	45.0165, -67.0774	Public
St. Croix River at Grand Falls Flowage	Gold Garnet Magnetite	45.2513, -67.5230	Public

Neighboring counties in Maine

Adjacent rockhounding counties, ranked by how close their centroids sit to Washington County. A natural extension if Washington County is already on your trip plan.

Washington County FAQ

Where can I rockhound in Washington County, Maine?+

RockHoundR tracks 5 rockhounding spots in Washington County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Washington County?+

Spots in Washington County most often produce Calcite, Malachite, Quartz, Agate, Amethyst. Individual spots can vary widely.

Are these Washington County rockhounding spots on public land?+

Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.

Plan a Washington County rockhounding trip

Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.