
Delaware Water Gap Fossils
Hardwick limestone and Cambrian formations in the Delaware Water Gap region contain trilobite fragments in road cuts and streams.
View details137 rockhounding collecting destinations in Pennsylvania.
Interactive pins for coordinate-verified, indexable listings in Pennsylvania. Click a marker for the full site page.
93 mapped sites shown · list continues below
Use this page as your Pennsylvania rockhounding map — Pennsylvania has 137 rockhounding sites in our directory, including 21 quartz & crystals, 18 agate & jasper, 3 geodes, 3 gemstones, 49 fossils. Use rockhounding sites near me for live distance sorting or browse by city.
Near major cities: Allentown · Erie · Harrisburg · Lancaster · Lehigh Valley · Philadelphia · Pittsburgh · Scranton · State College · Williamsport
By specimen type: Quartz & Crystals (21) · Agate & Jasper (18) · Geodes (3) · Gemstones (3) · Fossils (49) · Gold & Minerals (11) · Other (32)
Guides: Pennsylvania rockhounding guide
Pennsylvania yields Devonian fossils near the Delaware Water Gap, pegmatite minerals in Chester County, zeolites in York County, and pyrite-barite specimens at documented localities on our state map.
Yes — our Pennsylvania state hub lists every cataloged site with GPS coordinates and specimen types.
Compared day-trip gear for Pennsylvania rockhounding sites — side-by-side tables for the hike in, sun, and sun, tools, and the approach hike.
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Most-searched spots — open each listing for directions, fees, and safety notes.

Hardwick limestone and Cambrian formations in the Delaware Water Gap region contain trilobite fragments in road cuts and streams.
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Piedmont pegmatites of Chester County yielded feldspar and occasional beryl crystals for eastern Pennsylvania collectors.
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Triassic diabase quarries of York and Lancaster counties produce world-class zeolite and prehnite specimens in cavity fillings.
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Anthracite coal district mine dumps near McAdoo contain pyrite cubes and siderite rhombs in shale matrix.
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Western Pennsylvania limestone districts near Canonsburg produced barite and calcite specimens in abandoned mine workings.
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Adams County is a documented mineral occurrence near PA. Reported specimens include Azurite, Cuprite, Malachite. Verify land access and collecting rules before visiting.
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Allentown is a documented mineral occurrence near PA. Reported specimens include Jasper, Chert. Verify land access and collecting rules before visiting.
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Alsace Township is a documented mineral occurrence near PA. Reported specimens include Chalcedony, Jasper, Agate. Verify land access and collecting rules before visiting.
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Fossil collection site in the Glenshaw, Allegheny County County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Area Around Caledonia State Park is a documented mineral occurrence near PA. Reported specimens include Agate, Jasper. Verify land access and collecting rules before visiting.
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Fossil collection site in the Chemung, Bradford County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Aughwick Creek is a documented mineral occurrence near PA. Reported specimens include Barite, Calcite, Chalcopyrite, Pyrite, Quartz crystals. Verify land access and collecting rules before visiting.
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Avondale is a documented mineral occurrence near PA. Reported specimens include Quartz crystals, Smoky Quartz, Rutile. Verify land access and collecting rules before visiting.
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Bainbridge is a documented mineral occurrence near PA. Reported specimens include Petrified wood. Verify land access and collecting rules before visiting.
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Fossil collection site in the Mauch Chunk, Luzerne County, Pennsylvania. Environment: delta plain. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Vanport, Beaver County, Pennsylvania. Environment: shallow subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Beaver Lake is a documented mineral occurrence near PA. Reported specimens include Radioactive Copper. Verify land access and collecting rules before visiting.
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Fossil collection site in the Mahantango, Bedford County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Glenshaw, Somerset County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Big Run is a documented mineral occurrence near PA. Reported specimens include Radioactive Copper, Fossils. Verify land access and collecting rules before visiting.
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Birdsboro is a documented mineral occurrence near PA. Reported specimens include Zeolite crystals. Verify land access and collecting rules before visiting.
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Fossil collection site in the Glenshaw, Westmoreland County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Chemung, Berks County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Blue Hill is a documented mineral occurrence near PA. Reported specimens include Albite, Amazonite, Beryl, Feldspar, Sunstone, Quartz crystals. Verify land access and collecting rules before visiting.
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Boyerstown is a documented mineral occurrence near PA. Reported specimens include Magnetite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Machias, McKean County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Brandywine Creek is a documented mineral occurrence near PA. Reported specimens include Amethyst. Verify land access and collecting rules before visiting.
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Bridgeport is a documented mineral occurrence near PA. Reported specimens include Calcite, Chalcedony, Dolomite, Goethite, Jasper, Malachite, Quartz crystals, Sphalerite. Verify land access and collecting rules before visiting.
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Brookdale Mine is a documented mineral occurrence near PA. Reported specimens include Quartz, Pyromorphite, Azurite, Cerussite, Fluorite, Galena, Pyrite. Verify land access and collecting rules before visiting.
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Bucks County is a documented mineral occurrence near PA. Reported specimens include Petrified wood. Verify land access and collecting rules before visiting.
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Fossil collection site in the Gatesburg, Bedford County, Pennsylvania. Environment: reef, buildup or bioherm. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Chemung, Bedford County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Carlisle is a documented mineral occurrence near PA. Reported specimens include Banded Agate, Quartz crystals, Jasper, Amethyst. Verify land access and collecting rules before visiting.
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Piedmont pegmatites of Chester County yielded feldspar and occasional beryl crystals for eastern Pennsylvania collectors.
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Chester Creek is a documented mineral occurrence near PA. Reported specimens include Amethyst, Smoky Quartz. Verify land access and collecting rules before visiting.
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Churchtown is a documented mineral occurrence near PA. Reported specimens include Petrified wood. Verify land access and collecting rules before visiting.
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Claysburg is a documented mineral occurrence near PA. Reported specimens include Chert, Quartz crystals. Verify land access and collecting rules before visiting.
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Coatsville is a documented mineral occurrence near PA. Reported specimens include Amethyst, Beryl, Epidote, Garnet, Smoky Quartz. Verify land access and collecting rules before visiting.
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Cornwall is a documented mineral occurrence near PA. Reported specimens include Actinolite, Andradite, Calcite, Chlorite, Diopside, Epidote, Fluorite, Grossularite Garnet, Labradorite, Magnetite, Moonstone, Prehnite, Pyrite crystals. Verify land access and collecting rules before visiting.
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Fossil collection site in the Hatter, Huntingdon County, Pennsylvania. Environment: lagoonal/restricted shallow subtidal. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Crum Creek is a documented mineral occurrence near PA. Reported specimens include Golden Beryl, Amethyst, Garnet, Quartz crystals. Verify land access and collecting rules before visiting.
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Crystal Cave is a documented mineral occurrence near PA. Reported specimens include Geodes, Quartz crystals, Gemstones. Verify land access and collecting rules before visiting.
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Hardwick limestone and Cambrian formations in the Delaware Water Gap region contain trilobite fragments in road cuts and streams.
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Derry is a documented mineral occurrence near PA. Reported specimens include Quartz, Chalcedony, Jasper. Verify land access and collecting rules before visiting.
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Fossil collection site in the Gatesburg, Pennsylvania. Environment: reef, buildup or bioherm. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Drake Well is a documented rockhounding destination in PA. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
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Fossil collection site, Bucks County, Pennsylvania. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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East Bradford is a documented mineral occurrence near PA. Reported specimens include Quartz crystals. Verify land access and collecting rules before visiting.
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East Branch Naamanm Creek is a documented mineral occurrence near PA. Reported specimens include Sphene, Quartz crystals, Garnet. Verify land access and collecting rules before visiting.
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Easton is a documented mineral occurrence near PA. Reported specimens include Chert, Flint, Apatite, Diopside, Epidote, Pyrite, Quartz crystals, Serpentine, Williamsite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Llewellyn, Schuylkill County, Pennsylvania. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Etna is a documented mineral occurrence near PA. Reported specimens include Barite, Calcite, Pyrite, Sphalerite, Wurtzite. Verify land access and collecting rules before visiting.
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Eureka is a documented mineral occurrence near PA. Reported specimens include Smoky Quartz. Verify land access and collecting rules before visiting.
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Fossil collection site in the Chemung, Berks County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Feasterville is a documented mineral occurrence near PA. Reported specimens include Sunstone, Agate, Feldspar, Chalcedony, Chert, Silicified wood. Verify land access and collecting rules before visiting.
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Fox Hill is a documented mineral occurrence near PA. Reported specimens include Garnet. Verify land access and collecting rules before visiting.
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Gettysburg is a documented mineral occurrence near PA. Reported specimens include Copper, Chabazite, Epidote, Malachite, Quartz, Feldspar, Magnetite, Olivine. Verify land access and collecting rules before visiting.
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Girty is a documented mineral occurrence near PA. Reported specimens include Hematite, Magnetite, Calcite, Chert, Pyrite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Chemung, Mifflin County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Great Lakes Placer Prospect is a known mineral occurrence in Erie, Pennsylvania, documented by the USGS Mineral Resources Data System. Reported specimens include Garnet, Iron, Rutile, Zircon.
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Fossil collection site in the Vanport, Beaver County, Pennsylvania. Environment: shallow subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Greensburg is a documented mineral occurrence near PA. Reported specimens include Petrified wood. Verify land access and collecting rules before visiting.
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Grubb Lake and Mud Lake is a documented mineral occurrence near PA. Reported specimens include Geodes, Limonite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Lock Haven, Tioga County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Harrisburg is a documented mineral occurrence near PA. Reported specimens include Agate, Amethyst, Chalcedony, Andradite Garnet, Opal, Quartz crystals, Silicified wood. Verify land access and collecting rules before visiting.
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Hauto is a documented mineral occurrence near PA. Reported specimens include Quartz crystals. Verify land access and collecting rules before visiting.
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Hazelton and White Haven is a documented mineral occurrence near PA. Reported specimens include Pyrite, Quartzite. Verify land access and collecting rules before visiting.
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Jim Thorpe is a documented mineral occurrence near PA. Reported specimens include Jasper. Verify land access and collecting rules before visiting.
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Kingston is a documented mineral occurrence near PA. Reported specimens include Jasper. Verify land access and collecting rules before visiting.
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Knauertown is a documented mineral occurrence near PA. Reported specimens include Apatite, Apophyllite, Azurite, Green Calcite, Chrysocolla, Malachite, Pyrite crystals, Quartz crystals, Rhodochrosite, Stilbite. Verify land access and collecting rules before visiting.
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Kunkeltown is a documented mineral occurrence near PA. Reported specimens include Quartz crystals, Azurite. Verify land access and collecting rules before visiting.
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Lancaster is a documented mineral occurrence near PA. Reported specimens include Dogtooth Calcite, Fluorite, Hematite, Quartz crystal, Rutile. Verify land access and collecting rules before visiting.
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Lebanon County is a documented mineral occurrence near PA. Reported specimens include Azurite, Chalcopyrite, Magnetite, Malachite, Pyrite. Verify land access and collecting rules before visiting.
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Lemont is a documented mineral occurrence near PA. Reported specimens include Quartz crystals. Verify land access and collecting rules before visiting.
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Ligonier is a documented mineral occurrence near PA. Reported specimens include Quartz crystals, Fossils. Verify land access and collecting rules before visiting.
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Little Rocky Ridge is a documented mineral occurrence near PA. Reported specimens include Hematite, Quartz. Verify land access and collecting rules before visiting.
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Macungie is a documented mineral occurrence near PA. Reported specimens include Blue Corundum, Sapphire. Verify land access and collecting rules before visiting.
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Fossil collection site in the Chemung, Tioga County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Maple Glen is a documented mineral occurrence near PA. Reported specimens include Petrified wood. Verify land access and collecting rules before visiting.
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Mapleton is a documented mineral occurrence near PA. Reported specimens include Quartz crystals. Verify land access and collecting rules before visiting.
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Marlboroville is a documented mineral occurrence near PA. Reported specimens include Red Jasper, Brown Jasper, Yellow Jasper, Sapphire. Verify land access and collecting rules before visiting.
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Marple is a documented mineral occurrence near PA. Reported specimens include Amethyst, Quartz crystals. Verify land access and collecting rules before visiting.
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McAdoo is a documented mineral occurrence near PA. Reported specimens include Quartz crystals. Verify land access and collecting rules before visiting.
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Anthracite coal district mine dumps near McAdoo contain pyrite cubes and siderite rhombs in shale matrix.
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Fossil collection site in the Chemung, Crawford County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Meckley's Quarry is a documented mineral occurrence near PA. Reported specimens include Gem Celestine. Verify land access and collecting rules before visiting.
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Fossil collection site in the Onondaga, Mifflin County, Pennsylvania. Environment: deep subtidal shelf. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Monroe County is a documented mineral occurrence near PA. Reported specimens include Calcite, Pyrite, Fluorite. Verify land access and collecting rules before visiting.
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Morrison Cove is a documented mineral occurrence near PA. Reported specimens include Quartz crystals, Amethyst, Calcite crystals, Herkimer diamonds. Verify land access and collecting rules before visiting.
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Morrisville is a documented mineral occurrence near PA. Reported specimens include Jasper. Verify land access and collecting rules before visiting.
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Fossil collection site in the Stonehenge, Blair County, Pennsylvania. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Mt. Holly Springs is a documented mineral occurrence near PA. Reported specimens include Agate nodules. Verify land access and collecting rules before visiting.
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Mt. Pisgah is a documented mineral occurrence near PA. Reported specimens include Allanite, Autunite, Carnotite, Chlorite, Mica, Pyrite, Quartz, Uraninite. Verify land access and collecting rules before visiting.
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Mt. Pleasant is a documented mineral occurrence near PA. Reported specimens include Amethyst. Verify land access and collecting rules before visiting.
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Fossil collection site in the Cussewago, Pennsylvania. Environment: marginal marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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New Albany is a documented mineral occurrence near PA. Reported specimens include Azurite, Chalcopyrite, Cerussite, Malachite. Verify land access and collecting rules before visiting.
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Newtown is a documented mineral occurrence near PA. Reported specimens include Jasper, Petrified wood. Verify land access and collecting rules before visiting.
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North Vandergrift is a documented mineral occurrence near PA. Reported specimens include Galena, Calcite, Barite, Geodes, Sphalerite. Verify land access and collecting rules before visiting.
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Nottingham Park is a documented mineral occurrence near PA. Reported specimens include Serpentine, Garnet, Feldspar, Tourmaline, Albite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Gatesburg, Bedford County, Pennsylvania. Environment: reef, buildup or bioherm. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Penn Haven Jct is a known mineral occurrence in Carbon, Pennsylvania, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Malachite.
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Western Pennsylvania limestone districts near Canonsburg produced barite and calcite specimens in abandoned mine workings.
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Phacops rana fossil (trilobite) is a documented rockhounding destination in PA. Collectors visit for fossils, trilobites, dinosaur bone and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
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Philadelphia is a documented mineral occurrence near PA. Reported specimens include Agate, Petrified wood, Chalcedony, Chert, Jasper, Quartz crystals. Verify land access and collecting rules before visiting.
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Piney Mountain is a documented mineral occurrence near PA. Reported specimens include Piedmontite. Verify land access and collecting rules before visiting.
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Fossil collection site, Montgomery County, Pennsylvania. Environment: cave. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Catsgill, Pennsylvania. Environment: marginal marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Prospect Park is a documented mineral occurrence near PA. Reported specimens include Kyanite Blades, Feldspar crystals. Verify land access and collecting rules before visiting.
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Fossil collection site in the Kinzers, York County, Pennsylvania. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Reading is a documented mineral occurrence near PA. Reported specimens include Jasper. Verify land access and collecting rules before visiting.
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Riegelsville is a documented mineral occurrence near PA. Reported specimens include Jasper, Quartz. Verify land access and collecting rules before visiting.
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Ringing Rocks PA is a documented rockhounding destination in PA. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
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Fossil collection site in the Vanport, Beaver County, Pennsylvania. Environment: shallow subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Rock Springs Run is a documented mineral occurrence near PA. Reported specimens include Moss Agate. Verify land access and collecting rules before visiting.
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Rossville Road Cut is a documented mineral occurrence near PA. Reported specimens include Copper minerals, Malachite, Azurite. Verify land access and collecting rules before visiting.
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Schuylkill County is a documented mineral occurrence near PA. Reported specimens include Pyrite Cubes. Verify land access and collecting rules before visiting.
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Sherman Valley is a documented mineral occurrence near PA. Reported specimens include Calcite, Chlorite, Orthoclase, Limonite, Quartz crystals, Tourmaline, Zircon. Verify land access and collecting rules before visiting.
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Fossil collection site, Bedford County, Pennsylvania. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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South Bethlehem is a documented mineral occurrence near PA. Reported specimens include Jasper, Petrified wood. Verify land access and collecting rules before visiting.
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Fossil collection site in the Chambersburg, Franklin County, Pennsylvania. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, Lehigh County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Pine Creek, Pennsylvania. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Stroudsbrug is a documented mineral occurrence near PA. Reported specimens include Agatized coral, Quartz crystals. Verify land access and collecting rules before visiting.
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Fossil collection site, Monroe County, Pennsylvania. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Pocono, Forest County, Pennsylvania. Environment: paralic indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Chemung, Erie County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Union Furnace is a documented mineral occurrence near PA. Reported specimens include Calcite crystals, Fluorite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Mahantango, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Mahantango, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Upland is a documented mineral occurrence near PA. Reported specimens include Geodes, Amethyst. Verify land access and collecting rules before visiting.
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Fossil collection site in the Vintage, York County, Pennsylvania. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Kinzers, Lancaster County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Valley Quarry is a documented mineral occurrence near PA. Reported specimens include Copper, Epidote, Chrysocolla, Chalcopyrite, Chabazite, Stilbite. Verify land access and collecting rules before visiting.
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Warwick is a documented mineral occurrence near PA. Reported specimens include Chalcopyrite, Copper, Hematite, Limonite, Magnetite. Verify land access and collecting rules before visiting.
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Waterside is a documented mineral occurrence near PA. Reported specimens include Calcite, Chalcedony, Chert. Verify land access and collecting rules before visiting.
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Fossil collection site in the Chemung, Tioga County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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White Rocks is a documented mineral occurrence near PA. Reported specimens include Cryptomelane, Goethite, Fluorite, Quartz crystals, Tourmaline, Zircon. Verify land access and collecting rules before visiting.
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Willowdale is a documented mineral occurrence near PA. Reported specimens include Quartz crystals. Verify land access and collecting rules before visiting.
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Wrightsdale is a documented mineral occurrence near PA. Reported specimens include Brucite, Chromite, Magnesite, Serpentine, Soapstone, Williamsite. Verify land access and collecting rules before visiting.
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Yellow Breeches Creek is a documented mineral occurrence near PA. Reported specimens include Potomac Marble. Verify land access and collecting rules before visiting.
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Triassic diabase quarries of York and Lancaster counties produce world-class zeolite and prehnite specimens in cavity fillings.
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York Haven is a documented mineral occurrence near PA. Reported specimens include Petrified wood. Verify land access and collecting rules before visiting.
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