Where to Find Chert in Pennsylvania

7 mapped chert rockhounding spots in Pennsylvania, across 7 counties. Chert is reported at multiple rockhounding spots across the United States.

Map of 7 chert rockhounding spots in Pennsylvania

Chert by county in Pennsylvania

Counties ranked by number of chert spots in our database.

Every chert spot in Pennsylvania

Sorted by county. Coordinates open in Google Maps. Click a row for details.

Chert in Pennsylvania FAQ

Where can I find chert in Pennsylvania?+
RockHoundR tracks 7 chert spots in Pennsylvania, spread across 7 counties. The strongest concentration is in Armstrong County.
Is collecting chert legal in Pennsylvania?+
Casual hand collection of common rocks and minerals like chert is allowed on most BLM and U.S. Forest Service land in Pennsylvania, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best chert location in Pennsylvania?+
Armstrong County has the most chert spots in our database for Pennsylvania. The full county breakdown is below — different counties produce different qualities and varieties.

Other states for chert

Other minerals to find in Pennsylvania

Hunt chert in Pennsylvania on the map

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