Herkimer Mountain Diamond Mine
New York
herkimer diamondsdoubly terminated quartzsmoky quartzcalcite
Fee dig · Fee
Herkimer Mountain Diamond Mine
A twenty-acre operation in the Mohawk Valley run as a reserved full-day dig rather than a drop-in wristband. Staff will show a first-timer where pockets tend to open, which is worth the higher ticket if you have never split a vug before. No power tools, no digging in undisturbed areas, no alcohol or smoking in the dig areas, and service animals only.
The card catalog
| What you can find | herkimer diamonds, doubly terminated quartz, smoky quartz, calcite |
|---|---|
| Access | Fee dig — Fee |
| Fees | $120/adult (13+) and $60 for ages 6-12 for a seven-hour dig; ages 5 and under free. Reservations required, no walk-ins. Buckets, hammers, trowels, rakes and eye protection can be rented |
| Season & hours | 9am to 4pm dig day with 5pm checkout, ending a half hour before dark in the fall season; season dates are not published, so book ahead and confirm |
| Kids | Family-friendly — Staff coach beginners and a UTV hauls you to the workings, which spares small legs. Everyone under 18 must be with an adult at all times and closed-toe shoes are required |
| Official source | Herkimer Mountain Diamond Mine (operator) |
| Last checked | Checked against its source August 16, 2026 |
Hours, fees, and access rules change. Verify with the operator or land agency before you go.
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Before you go
What does Herkimer Mountain Diamond Mine cost?
$120/adult (13+) and $60 for ages 6-12 for a seven-hour dig; ages 5 and under free. Reservations required, no walk-ins. Buckets, hammers, trowels, rakes and eye protection can be rented Hours, fees, and access rules change. Verify with the operator or land agency before you go.
When is Herkimer Mountain Diamond Mine open?
9am to 4pm dig day with 5pm checkout, ending a half hour before dark in the fall season; season dates are not published, so book ahead and confirm Hours, fees, and access rules change. Verify with the operator or land agency before you go.
Is Herkimer Mountain Diamond Mine good for kids?
Yes — Herkimer Mountain Diamond Mine works for families. Staff coach beginners and a UTV hauls you to the workings, which spares small legs. Everyone under 18 must be with an adult at all times and closed-toe shoes are required