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Herkimer Diamond Mine (HDM) Open to the Public
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The Best Site on the Internet for Herkimer Diamond Information - A Collaborative Project.
The information, and photography, on this website is copyright protected by W. David Hoisington, Ph. D. unless another author/photographer is cited.
Herkimer Diamond Mine (HDM) Directions
Take Rt 28 north from Herkimer, NY and look for the KOA campgrounds on the left and the store on the right, which is slighty up a hill and set back from the road.
Welcome to the New Herkimer Diamond Story!
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