Where to Find Geodes in Pennsylvania
Pennsylvania has 4 mapped collecting spots that report geodes, spread across 4 counties. 4 of the spots are on land mapped as publicly accessible.
Every geode spot we track in Pennsylvania
North VandergriftArmstrong County, PennsylvaniaPublic access · Galena, Calcite, Barite +2- Crystal CaveBerks County, PennsylvaniaPublic access · Geode, Quartz, Gemstone
- Grubb Lake and Mud LakeLancaster County, PennsylvaniaPublic access · Geode, Limonite
- UplandDelaware County, PennsylvaniaPublic access · Geode, Amethyst
Best counties for geodes in Pennsylvania
Ranked by the number of mapped geode spots. County links open the full rockhounding page for that county.
Before you go
Read the geodes identification guide so you know what a keeper looks like in the field: Geode in the encyclopedia.
Geodes in Pennsylvania FAQ
Where can you find geodes in Pennsylvania?+
The mapped spots concentrate in Armstrong County, Berks 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 geode spots are mapped in Pennsylvania?+
4 spots across 4 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 geodes 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. 4 of the 4 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
Where else to find geodes
More minerals to hunt in Pennsylvania
Hunt geodes 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.
