Where to Find Serpentine in New Jersey
New Jersey has 6 mapped collecting spots that report serpentine, spread across 5 counties. The largest share sits in Morris County County with 2 spots. 6 of the spots are on land mapped as publicly accessible.
Map of 6 serpentine collecting spots in New Jersey
Best counties for serpentine in New Jersey
Ranked by the number of mapped serpentine spots. County links open the full rockhounding page for that county.
Every serpentine spot we track in New Jersey
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| HobokenPaterson Plank Road | Hudson County | 40.7502, -74.0383 | Public | |
| MontvilleTwaits Road | Morris County | 40.9220, -74.3587 | Public | |
| Turkey Mountain General AreaLakeshore Drive | Morris County |
| 40.9397, -74.3756 | Public |
| RingwoodPeters Mine Road | Passaic County | 41.1464, -74.2693 | Public | |
| SomervilleChimney Rock Road | Somerset County | 40.5847, -74.5672 | Public | |
| PhillipsburgRiver Road | Warren County |
| 40.6473, -75.1900 | 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 New Jersey FAQ
Where can you find serpentine in New Jersey?+
The mapped spots concentrate in Morris County County, Hudson County County, and Passaic County County. Every spot on this page appears on the map above with coordinates and access notes.
How many serpentine spots are mapped in New Jersey?+
6 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 New Jersey?+
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. 6 of the 6 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 New Jersey
Hunt serpentine in New Jersey 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.
