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Where to Find Herkimer Diamond in New York

New York has 14 mapped collecting spots that report herkimer diamond, spread across 3 counties. The largest share sits in Herkimer County with 7 spots. 4 of the spots are on land mapped as publicly accessible, and 9 are fee-dig sites.

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Every herkimer diamond spot we track in New York

  • Aerial view of SprakersBest spotSprakersMontgomery County, New YorkPublic access · Herkimer Diamond, Quartz
  • Aerial view of Ace of Diamonds & Herkimer Diamond MineBest spotAce of Diamonds & Herkimer Diamond MineHerkimer County, New YorkPermission required · Herkimer Diamond
  • Aerial view of Diamond Acres MineDiamond Acres MineMontgomery County, New YorkFee dig · Herkimer Diamond, Quartz
  • Aerial view of Ace of Diamonds MineAce of Diamonds MineHerkimer County, New YorkFee dig · Herkimer Diamond
  • Aerial view of Crystal DazeCrystal DazeFulton County, New YorkFee dig · Herkimer Diamond
  • Aerial view of Crystal Grove Diamond MineCrystal Grove Diamond MineFulton County, New YorkFee dig · Herkimer Diamond
  • Aerial view of General Area (Herkimer County 1)General Area (Herkimer County 1)Herkimer County, New YorkPublic access · Herkimer Diamond
  • Aerial view of General Area (Herkimer County 2)General Area (Herkimer County 2)Herkimer County, New YorkPublic access · Herkimer Diamond
  • Aerial view of General Area (Herkimer County 3)General Area (Herkimer County 3)Herkimer County, New YorkPublic access · Herkimer Diamond
  • Aerial view of Herkimer Mountain Diamond MineHerkimer Mountain Diamond MineMontgomery County, New YorkFee dig · Herkimer Diamond
  • Aerial view of Hidden Gem MineHidden Gem MineHerkimer County, New YorkFee dig · Herkimer Diamond
  • Aerial view of Mohawk ValleyMohawk ValleyMontgomery County, New YorkFee dig · Herkimer Diamond

Standout herkimer diamond spots in New York

Hand-picked from the full list above, with the reason each one earns a trip.

Best counties for herkimer diamond in New York

Ranked by the number of mapped herkimer diamond spots. County links open the full rockhounding page for that county.

Before you go

Read the herkimer diamond identification guide so you know what a keeper looks like in the field: Herkimer Diamond in the encyclopedia.

Herkimer Diamond in New York FAQ

Where can you find herkimer diamond in New York?+
The mapped spots concentrate in Herkimer County, Montgomery County, and Fulton County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many herkimer diamond spots are mapped in New York?+
14 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 herkimer diamond in New York?+
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. 4 of the 14 mapped spots here sit on land marked public, and 9 are fee-dig operations where you pay for access and keep what you find. Always confirm current rules with the managing agency before you dig.

More minerals to hunt in New York

Hunt herkimer diamond in New York 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.

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