Ace of Diamonds Mine — Rockhounding in Herkimer County, New York

Quick details

Access

Paid / fee dig

County

Herkimer County

State

New York

Nearest road

New York State Thruway

Coordinates

43.01100, -74.97200

Land & collecting status

Pay-to-dig site

This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out.

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 Ace of Diamonds Mine

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

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