Amherst: Agate Rockhounding in Hampshire County, Massachusetts

Updated June 2026

Amherst is a mapped rockhounding spot in Hampshire County, Massachusetts. Reported finds include agate. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Hampshire County
State: Massachusetts
Nearest road: Belchertown Road
Postcode: 01004
Coordinates: 42.36454, -72.49106

Geology at Amherst

This spot sits on New Haven Arkose, mapped as arkose, siltstone, and sandstone that formed roughly 235 to 200 million years ago. Tough silica like agate, jasper, and chert typically weathers out of beds like these and collects as float in drainages and on deflation surfaces.

Mapped unit: New Haven Arkose
Age: 235–200 Ma (Late Triassic)
Rock types: arkose, siltstone, and sandstone
Elevation: 170 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Amherst

Best months: March to November. Typical highs run 83°F in midsummer and 34°F in midwinter, with winter lows near 14°F.

Climate normals: NOAA 1991-2020 monthlies, AMHERST station (3 mi away).

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Amherst

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Agate Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Amherst.

Across the state line from Amherst

Amherst is close enough to the Massachusetts border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Amherst FAQ

Where is Amherst?+

Amherst is in Hampshire County, Massachusetts, at 42.36454, -72.49106. Nearest road: Belchertown Road.

What rocks and minerals can you find at Amherst?+

Amherst is reported to produce Agate.

Is collecting allowed at Amherst?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Amherst?+

Most agate and jasper is surface float: bring a spray bottle, a pick or small shovel, and a sturdy bag. Wet stones show their banding and translucence.

When is the best time to visit Amherst?+

The most comfortable months at Amherst are March to November.

How do I get to Amherst?+

Open the directions link to navigate to 42.36454, -72.49106 in Google Maps. The nearest road is Belchertown Road.

More rockhounding in Massachusetts

See all 45 Massachusetts spots →

Open Amherst on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.