Where to Find Agate in Massachusetts
Massachusetts has 5 mapped collecting spots that report agate, spread across 3 counties. The largest share sits in Franklin County County with 3 spots. 5 of the spots are on land mapped as publicly accessible.
Map of 5 agate collecting spots in Massachusetts
Best counties for agate in Massachusetts
Ranked by the number of mapped agate spots. County links open the full rockhounding page for that county.
- Franklin County3 spots
- Hampshire County1 spot
- Plymouth County1 spot
Every agate spot we track in Massachusetts
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| ConwaySouth Deerfield Road | Franklin County | 42.5094, -72.6835 | Public | |
| DeerfieldAlbany Road | Franklin County | 42.5459, -72.6044 | Public | |
| Deerfield RiverHoosac Road | Franklin County | 42.5262, -72.6452 | Public | |
| AmherstBelchertown Road | Hampshire County | 42.3645, -72.4911 | Public | |
| MiddlesboroughWalnut Street | Plymouth County | 41.8503, -70.8904 | Public |
Before you go
Read the agate identification guide so you know what a keeper looks like in the field: Agate in the encyclopedia.
Agate in Massachusetts FAQ
Where can you find agate in Massachusetts?+
The mapped spots concentrate in Franklin County County, Hampshire County County, and Plymouth County County. Every spot on this page appears on the map above with coordinates and access notes.
How many agate spots are mapped in Massachusetts?+
5 spots across 3 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 agate in Massachusetts?+
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. 5 of the 5 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
Where else to find agate
More minerals to hunt in Massachusetts
Hunt agate in Massachusetts 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.
