Union Bridge — Rockhounding in Carroll County, Maryland
Union Bridge is a mapped rockhounding spot in Carroll County, Maryland. Reported finds include pink marble, green marble. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Union Bridge in Carroll County, Maryland
Quick details
- Access
- Public area
- County
- Carroll County
- State
- Maryland
- Nearest road
- Quaker Hill Road
- Postcode
- 21791
- Coordinates
- 39.55408, -77.17261
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.
Found at Union Bridge
Each chip links to all spots in the U.S. that produce that material.
- Pink Marble
- Green Marble
Nearby rockhounding spots
Other rockhounding spots within driving distance of Union Bridge.
- New WindsorCarroll County · 4 mi awayAzurite, Bornite, Calamine
- MiddlesburgeCarroll County · 5 mi awayChrysocolla
- Dollyhyde CreekFrederick County · 6 mi awayBornite, Pink Calcite, Covellite
- FrederickFrederick County · 16 mi awayPink Fluorite
- Catoctin MountainFrederick County · 17 mi awayCopper
- MarriottsvilleHoward County · 20 mi awayQuartz
- GraniteBaltimore County · 22 mi awayQuartz, Garnet, Tourmaline
- MiddletownFrederick County · 22 mi awayStibnite
Union Bridge FAQ
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What rocks and minerals can you find at Union Bridge?+
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More rockhounding in Maryland
See all 38 Maryland spots →Open Union Bridge on the map
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