Where to Find Agate in Pennsylvania
Pennsylvania has 5 mapped collecting spots that report agate, spread across 5 counties. 5 of the spots are on land mapped as publicly accessible.
Every agate spot we track in Pennsylvania
Best spotArea Around Caledonia State ParkFranklin County, PennsylvaniaPublic access · Agate, Jasper
HarrisburgYork County, PennsylvaniaPublic access · Agate, Amethyst, Chalcedony +4- FeastervilleBucks County, PennsylvaniaPublic access · Sunstone, Agate, Feldspar +3
- PhiladelphiaDelaware County, PennsylvaniaPublic access · Agate, Petrified Wood, Chalcedony +3
- Alsace TownshipBerks County, PennsylvaniaPublic access · Chalcedony, Jasper, Agate
Standout agate spots in Pennsylvania
Hand-picked from the full list above, with the reason each one earns a trip.
Best counties for agate in Pennsylvania
Ranked by the number of mapped agate spots. County links open the full rockhounding page for that county.
Before you go
Read the agate identification guide so you know what a keeper looks like in the field: Agate in the encyclopedia.
Agate in Pennsylvania FAQ
Where can you find agate in Pennsylvania?+
The mapped spots concentrate in Berks County, Bucks County, and Delaware County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many agate spots are mapped in Pennsylvania?+
5 spots across 5 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect agate in Pennsylvania?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 5 of the 5 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
Where else to find agate
More minerals to hunt in Pennsylvania
Hunt agate in Pennsylvania with the map in your pocket
RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.
