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 County with 3 spots. 9 of the spots are on land mapped as publicly accessible.
Map of 9 serpentine collecting spots in Maryland
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
Every serpentine spot we track in Maryland
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Bare Hills mining districtYellow Trail | Baltimore County | 39.3871, -76.6523 | Public | |
| Funks Pond Recreational AreaFunks Pond Trail | Cecil County |
| 39.6707, -76.1718 | Public |
| Rock SpringsOld Mill Road | Cecil County |
| 39.7201, -76.1763 | Public |
| CardiffQuarry Road | Harford County |
| 39.7096, -76.3342 | Public |
| Chrome HillRocks Road | Harford County | 39.6278, -76.4093 | Public | |
| Reed Mine & Walkens MineWest Jarrettsville Road | Harford County |
| 39.6119, -76.4572 | Public |
| GaithersburgLower Magruder Trail | Montgomery County |
| 39.2285, -77.1903 | Public |
| Hunting HillPiney Meetinghouse Road | Montgomery County | 39.0827, -77.2204 | Public | |
| AshtonBottom Road | Washington County |
| 39.6204, -77.8681 | Public |
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 County, Cecil County County, and Montgomery County County. Every spot on this page appears on the map above with 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.
Where else to find serpentine
More minerals to hunt in Maryland
Hunt serpentine in Maryland 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.
