Where to Find Chert in Pennsylvania
Pennsylvania has 7 mapped collecting spots that report chert, spread across 7 counties. The largest share sits in Armstrong County County with 1 spot. 7 of the spots are on land mapped as publicly accessible.
Map of 7 chert collecting spots in Pennsylvania
Best counties for chert in Pennsylvania
Ranked by the number of mapped chert spots. County links open the full rockhounding page for that county.
- Armstrong County1 spot
- Bedford County1 spot
- Blair County1 spot
- Bucks County1 spot
- Delaware County1 spot
- Lehigh County1 spot
- Northampton County1 spot
Every chert spot we track in Pennsylvania
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| GirtyPA 56;PA 156 | Armstrong County | 40.6354, -79.4072 | Public | |
| WatersideOld Mill Road | Bedford County | 40.1712, -78.3936 | Public | |
| ClaysburgRocky Acre Road | Blair County | 40.3412, -78.4193 | Public | |
| FeastervilleOld Lincoln Highway | Bucks County | 40.1530, -74.9537 | Public | |
| PhiladelphiaBoy Scout Bridge | Delaware County | 40.0130, -75.3895 | Public | |
| AllentownSkyline Drive | Lehigh County | 40.5974, -75.4412 | Public | |
| Easton5th Street | Northampton County | 40.7472, -75.2871 | Public |
Before you go
Read the chert identification guide so you know what a keeper looks like in the field: Chert in the encyclopedia.
Chert in Pennsylvania FAQ
Where can you find chert in Pennsylvania?+
The mapped spots concentrate in Armstrong County County, Bedford County County, and Blair County County. Every spot on this page appears on the map above with coordinates and access notes.
How many chert spots are mapped in Pennsylvania?+
7 spots across 7 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 chert 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. 7 of the 7 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
