General Area (Herkimer County 1): Herkimer Diamond Rockhounding in Herkimer County, New York

Updated June 2026

General Area (Herkimer County 1) is a mapped rockhounding spot in Herkimer County, New York. Reported finds include herkimer diamond. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Herkimer County
State: New York
Nearest road: State Highway 28
Postcode: 13416
Coordinates: 43.15319, -74.97805

Geology at General Area (Herkimer County 1)

This spot sits on Beekmantown Group, mapped as dolostone that formed roughly 495 to 470 million years ago. Carbonate rock like this dissolves and weathers readily, so fresh road cuts, quarries, and creek exposures are typically the most productive ground.

Mapped unit: Beekmantown Group
Age: 495–470 Ma (Furongian to Early Ordovician)
Rock types: dolostone
Elevation: 630 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 General Area (Herkimer County 1)

Best months: April to November. Typical highs run 82°F in midsummer and 31°F in midwinter, with winter lows near 12°F.

Climate normals: NOAA 1991-2020 monthlies, LITTLE FALLS CITY RSCH station (8 mi away), adjusted for elevation.

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 General Area (Herkimer County 1)

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

Herkimer Diamond Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of General Area (Herkimer County 1).

General Area (Herkimer County 1) FAQ

Where is General Area (Herkimer County 1)?+

General Area (Herkimer County 1) is in Herkimer County, New York, at 43.15319, -74.97805. Nearest road: State Highway 28.

What rocks and minerals can you find at General Area (Herkimer County 1)?+

General Area (Herkimer County 1) is reported to produce Herkimer Diamond.

Is collecting allowed at General Area (Herkimer County 1)?+

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 General Area (Herkimer County 1)?+

A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.

When is the best time to visit General Area (Herkimer County 1)?+

The most comfortable months at General Area (Herkimer County 1) are April to November.

How do I get to General Area (Herkimer County 1)?+

Open the directions link to navigate to 43.15319, -74.97805 in Google Maps. The nearest road is State Highway 28.

More rockhounding in New York

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Open General Area (Herkimer County 1) on the map

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