Potomac MarblePA
Yellow Breeches Creek
Yellow Breeches Creek is a documented mineral occurrence near PA. Reported specimens include Potomac Marble. Verify land access and collecting rules before visiting.
View detailsRockhounding sites near Harrisburg
24 rockhounding collecting sites within about 100 miles of Harrisburg, Pennsylvania.
This page lists 24 natural rockhounding sites near Harrisburg, Pennsylvania, sorted by distance within about 100 miles.
Where can you collect near Harrisburg?
Near Harrisburg, Pennsylvania, our directory maps 24 natural rockhounding sites within about 100 miles of the city center — including 4 agate & jaspers, 1 geodes, 1 gemstones, and 7 fossilss. The closest mapped spot is Yellow Breeches Creek (7.2 mi straight-line). Distances are not drive time; open each listing for directions, fee notes, access rules, and safety context before you travel.
At a glance — rockhounding sites near Harrisburg
| Central place | Harrisburg, Pennsylvania |
|---|---|
| Search radius | About 100 miles |
| Mapped spots | 24 |
| Closest listing | Yellow Breeches Creek (7.2 mi) |
| Specimen types | Agate & Jasper (4), Geodes (1), Gemstones (1), Fossils (7), Gold & Minerals (4), Other (7) |
| Typical fees | 24 varies |
All rockhounding sites near Harrisburg
24 rockhounding collecting sites in Pennsylvania, sorted by distance from the city center. For live GPS sorting, use rockhounding sites near me.
AgatePA
Harrisburg
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.
View details
MineralPA
Rossville Road Cut
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.
View details
Petrified woodPA
York Haven
York Haven is a documented mineral occurrence near PA. Reported specimens include Petrified wood. Verify land access and collecting rules before visiting.
View detailsCryptomelanePA
White Rocks
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.
View detailsFossilPA
Unit 1 (top Of Unit), Upper Shale Member, Mahantango Formation, Girtys Notch, Pa
Fossil collection site in the Mahantango, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsPetrified woodPA
Bainbridge
Bainbridge is a documented mineral occurrence near PA. Reported specimens include Petrified wood. Verify land access and collecting rules before visiting.
View detailsAgatePA
Carlisle
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.
View detailsFossilPA
Unit 1 (29 Ft. Below Top), Upper Shale Member, Mahantango Fm., New Bloomfield, P
Fossil collection site in the Mahantango, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsAzuritePA
Lebanon County
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.
View detailsAgatePA
Mt. Holly Springs
Mt. Holly Springs is a documented mineral occurrence near PA. Reported specimens include Agate nodules. Verify land access and collecting rules before visiting.
View detailsZeolitePA
York County Zeolite Belt
Triassic diabase quarries of York and Lancaster counties produce world-class zeolite and prehnite specimens in cavity fillings.
View detailsFossilPA
Usgs 2448-co. Thomasville Stone And Lime Company. Thomasville
Fossil collection site in the Vintage, York County, Pennsylvania. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsFossilPA
Quarry At The Junction Of Lincoln Highway & Biesecker Road, Thomasville
Fossil collection site in the Kinzers, York County, Pennsylvania. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsActinolitePA
Cornwall
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.
View details
GeodePA
Grubb Lake And Mud Lake
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.
View details
Gem CelestinePA
Meckley's Quarry
Meckley's Quarry is a documented mineral occurrence near PA. Reported specimens include Gem Celestine. Verify land access and collecting rules before visiting.
View detailsHematitePA
Little Rocky Ridge
Little Rocky Ridge is a documented mineral occurrence near PA. Reported specimens include Hematite, Quartz. Verify land access and collecting rules before visiting.
View detailsFossilPA
Usnm Loc. 22l, Kinzers Fm, Pa - Garci-bellido Capdevila And Conway Morris 1999
Fossil collection site in the Kinzers, Lancaster County, Pennsylvania. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
View detailsPiedmontitePA
Piney Mountain
Piney Mountain is a documented mineral occurrence near PA. Reported specimens include Piedmontite. Verify land access and collecting rules before visiting.
View detailsMineralPA
Gettysburg
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.
View detailsMineralPA
Valley Quarry
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.
View detailsMineralPA
Schuylkill County
Schuylkill County is a documented mineral occurrence near PA. Reported specimens include Pyrite Cubes. Verify land access and collecting rules before visiting.
View detailsAgatePA
Area Around Caledonia State Park
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.
View detailsMap of rockhounding sites near Harrisburg
Pins within about 100 miles — open a listing for fees, access, and directions.
24 sites mapped near Harrisburg
Closest sites by distance
- Yellow Breeches Creek — 7 mi · Potomac Marble
- Harrisburg — 8 mi · Agate
- Rossville Road Cut — 14 mi · Mineral
- York Haven — 14 mi · Petrified wood
- White Rocks — 14 mi · Cryptomelane
- Unit 1 (top Of Unit), Upper Shale Member, Mahantango Formation, Girtys Notch, Pa — 16 mi · Fossil
- Bainbridge — 16 mi · Petrified wood
- Carlisle — 18 mi · Agate
- Unit 1 (29 Ft. Below Top), Upper Shale Member, Mahantango Fm., New Bloomfield, P — 18 mi · Fossil
- Lebanon County — 18 mi · Azurite
- Mt. Holly Springs — 22 mi · Agate
- York County Zeolite Belt — 23 mi · Zeolite
- Usgs 2448-co. Thomasville Stone And Lime Company. Thomasville — 24 mi · Fossil
- Quarry At The Junction Of Lincoln Highway & Biesecker Road, Thomasville — 24 mi · Fossil
- Cornwall — 26 mi · Actinolite
Types of rockhounding sites near Harrisburg
Browse by specimen type in Pennsylvania — each link opens the full state directory for that category.
Agate & Jasper (4)
Where to find agates and jasper in the U.S. — Lake Superior beaches, Ellensburg blue, Wyoming Sweetwater fields, Texas Terlingua, Mojave desert beds, and colorful chalcedony shorelines.
Geodes (1)
Where to find geodes near you — Keokuk / Warsaw Formation crystals, Utah Dugway BLM beds, Indiana limestone, Tennessee plateau nodules, and more hollow quartz-lined collecting sites.
Gemstones (1)
Facetable and collector gems — emeralds, sapphires, garnets, topaz, beryl, and tourmaline localities.
Fossils (7)
Trilobites, brachiopods, petrified wood, and other paleontological collecting on public land.
Gold & Minerals (4)
Placer gold, pyrite, copper minerals, and general ore-mineral localities open to casual collecting.
Other (7)
Mixed or specialty collecting — zeolites, fluorescent minerals, thundereggs, and unique regional finds.
Natural collecting sites in the Harrisburg area
Harrisburg is a practical launch point for day trips to natural rockhounding sites in Pennsylvania. Within about 100 miles you will find 24 mapped destinations in our directory, starting with Yellow Breeches Creek about 7.2 mi from the city center.
The mix spans agate & jasper, geodes, gemstones, fossils, gold & minerals, other — related terms searchers use include creek gravel collecting, desert washes, road cuts, and field collecting.
How distances work near Harrisburg
Every card on this page is a verified directory entry in Pennsylvania with map coordinates. We measure straight-line distance from the Harrisburg city center — not driving time. A creek rockhounding site 12 miles away on forest roads can take longer than a river access point 20 miles away on a highway.
Field collecting near Harrisburg includes informal gravel bars, dry washes, quarry faces, and developed park collecting areas. Rules, fees, and seasonal access differ by land manager. Never assume collecting is allowed without checking the listing and posted signs the day you visit.
Safety and field conditions near you
Field conditions near Harrisburg change after rain, snowmelt, and summer heat. Unstable slopes, heat exhaustion, loose rock, and flash floods are real risks at creek and quarry rockhounding sites — most sites have no supervision. Check weather and local advisories before you start digging.
We publish original planning copy, safety tips, and last-updated dates on each listing. See our editorial policy for sourcing standards, or contact us if access or conditions have changed.
Rockhounding sites near Harrisburg — FAQ
Where can you collect near Harrisburg?
Near Harrisburg, Pennsylvania, our directory lists 24 natural rockhounding sites within about 100 miles — mainly 4 agate & jaspers, 1 geodes, 1 gemstones, and 7 fossilss. Each listing links to directions, fee notes, and safety context. Use near me on your phone for live distance sorting from your location.
How many rockhounding sites are near Harrisburg, Pennsylvania?
This page shows 24 mapped rockhounding collecting sites within about 100 miles of Harrisburg. The full Pennsylvania directory may list additional holes farther out or awaiting coordinates. Counts update as we verify new listings.
What is the closest rockhounding site to Harrisburg?
The closest mapped spot to Harrisburg is Yellow Breeches Creek (7.2 mi straight-line). Open that listing for driving directions, access notes, and current fee information — unofficial holes can change without notice.
Are rockhounding sites near Harrisburg free?
24 have variable or unverified fees. Open each spot page for current fee details.
What types of rockhounding sites are near Harrisburg?
Near Harrisburg, documented specimen types include agate & jaspers, geodes, gemstones, fossilss, gold & mineralss, others. A rockhounding site is a natural outcrop, wash, or creek gravel bar — not a fee dig or shop. Filter by type on the Pennsylvania state page or open each card for specimen and access details.
When is the best time to visit rockhounding sites near Harrisburg?
Late spring through early fall is the usual field season near Harrisburg, but snowmelt, drought, and weekend crowds change conditions week to week. Check each listing before you drive — storms can make washes and creek banks unsafe.
Is it safe to collect near Harrisburg?
Field collecting near Harrisburg carries real risks: unstable slopes, heat, loose rock, and no rangers at most unofficial sites. Check weather and posted warnings the day you visit. Read our rockhounding safety basics guide and each listing's safety section before you dig.
Listing data last updated across spots on this page.