Rockhounding in Lower Connecticut River Valley Planning Region, Connecticut
13 mapped rockhounding spots in Lower Connecticut River Valley Planning Region. Most commonly produces beryl, aquamarine, garnet, smoky quartz.
Lower Connecticut River Valley Planning Region rockhounding photos
Representative spot and material photos from this county, shown where verified public image records are available.
Map showing 13 rockhounding spots in Lower Connecticut River Valley Planning Region, Connecticut
Minerals reported in Lower Connecticut River Valley Planning Region
Standouts in Lower Connecticut River Valley Planning Region
Hand-picked spots in Lower Connecticut River Valley Planning Region, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.
Top pickPlum Bank Beach
PublicLower Connecticut River Valley Planning Region
Plum Bank Beach is one of Connecticut's more reliable shoreline spots for surface agate and moonstone, tumbled from glacial outwash and concentrated in the beach gravel by Long Island Sound tides.
Agate, Moonstone
Top pickCase Quarries
PublicLower Connecticut River Valley Planning Region
The Case Quarries are one of only three sites in Connecticut where mineral collecting on state land is legally sanctioned, set in the pegmatites of Meshomasic State Forest.
Beryl, Aquamarine, Columbite, Feldspar
Top pickClark Hill Quarries
PublicLower Connecticut River Valley Planning Region
Clark Hill in Meshomasic State Forest is a second DEEP-sanctioned collecting site and includes the well-known Nathan Hall Quarry.
Beryl, Aquamarine, Garnet, Muscovite
Top pickCCC Quarry
PublicLower Connecticut River Valley Planning Region
The CCC Quarry, a 19th-century feldspar working near the old Civilian Conservation Corps camp in Cockaponset State Forest, is the third state-sanctioned collecting site in Connecticut.
Beryl, Aquamarine, Microcline, Albite
Spots in Lower Connecticut River Valley Planning Region
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Case Quarries | 41.6350, -72.6150 | Public | |
| CCC QuarryFilley Road | 41.4700, -72.5100 | Public | |
| Clark Hill QuarriesWoodcutters Road | 41.5937, -72.5432 | Public | |
| Collins HillRose Hill Road | 41.5883, -72.5916 | Public | |
| Gillette QuarryInjun Hollow Road | 41.4926, -72.5112 | Public | |
| Hale’s Brook QuarriesIsinglass Hill Road | 41.6332, -72.5784 | Public | |
| MiddletownMiddlesex Avenue | 41.5784, -72.6404 | Public | |
| Pelton’s QuarryCox Road | 41.6011, -72.5767 | Public | |
| Plum Bank BeachPlum Bank Road | 41.2648, -72.3900 | Public | |
| Riverside QuarryRiver Road | 41.5578, -72.6033 | Public | |
| Slocum ProspectStockburger Road | 41.5322, -72.4711 | Public | |
| Walden Gem QuarryWest Cotton Hill Road | 41.6189, -72.5961 | Public | |
| White Rocks QuarryBow Lane | 41.5539, -72.6003 | Public |
Neighboring counties in Connecticut
Adjacent rockhounding counties, ranked by how close their centroids sit to Lower Connecticut River Valley Planning Region. A natural extension if Lower Connecticut River Valley Planning Region is already on your trip plan.
- Capitol Planning Region~19 mi9 spotsTop: Prehnite, Rose Quartz, Staurolite
- South Central Connecticut Planning Region~19 mi9 spotsTop: Amethyst, Calcite, Quartz
- Southeastern Connecticut Planning Region~22 mi3 spotsTop: Apatite, Corundum, Iron Ore
- Northwest Hills Planning Region~37 mi7 spotsTop: Galena, Pyrite, Sphalerite
- Western Connecticut Planning Region~50 mi6 spotsTop: Graphite, Quartz, Aquamarine
Across the state line from Lower Connecticut River Valley Planning Region
Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into Connecticut.
Lower Connecticut River Valley Planning Region FAQ
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