Where to Find Serpentine in Maryland
Maryland has 9 mapped collecting spots that report serpentine, spread across 5 counties. The largest share sits in Harford County with 3 spots. 9 of the spots are on land mapped as publicly accessible.
Every serpentine spot we track in Maryland
Bare Hills mining districtBaltimore County, MarylandPublic access · Actinolite, Malachite, Epidote +8
Funks Pond Recreational AreaCecil County, MarylandPublic access · Kammererite, Serpentine, Soapstone +4
Rock SpringsCecil County, MarylandPublic access · Kammererite, Serpentine, Soapstone +4
CardiffHarford County, MarylandPublic access · Garnet, Pyrite, Serpentine +3
Chrome HillHarford County, MarylandPublic access · Smoky Quartz, Actinolite, Bronzite +3
Hunting HillMontgomery County, MarylandPublic access · Calcite, Diopside, Garnet +2
Reed Mine & Walkens MineHarford County, MarylandPublic access · Chromite, Brucite, Quartz +2
AshtonWashington County, MarylandPublic access · Serpentine, Steatite
GaithersburgMontgomery County, MarylandPublic access · Serpentine, Steatite
Best counties for serpentine in Maryland
Ranked by the number of mapped serpentine spots. County links open the full rockhounding page for that county.
- Harford County3 spots
- Cecil County2 spots
- Montgomery County2 spots
- Baltimore County1 spot
- Washington County1 spot
Before you go
Read the serpentine identification guide so you know what a keeper looks like in the field: Serpentine in the encyclopedia.
Serpentine in Maryland FAQ
Where can you find serpentine in Maryland?+
The mapped spots concentrate in Harford County, Cecil County, and Montgomery County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many serpentine spots are mapped in Maryland?+
9 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 serpentine in Maryland?+
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. 9 of the 9 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
