Crystal Grove Campsite

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161 County Highway 114
St Johnsville, NY 13452
This Diamond Mine & Campground is now under new ownership & management, as of February, 2017! We offer camping, including primitive tent sites, other sites (tenting, trailers, RVs) with electric and water, a dump station and showers. Mining for Herkimer Diamond Quartz Crystals is also available at our location. Come try your luck!

Reviews

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4.016 reviews
Photo of Brittany C.
Brittany C.
9/23/2025

Second time mining, but first at this location. You can mine here until sunset unlike other locations that have a set time to close. Earlier in the year gives you a longer opportunity to...

Heather E.
8/16/2025

Knowledgeable and welcoming staff, cabin was clean, bathrooms were clean, camp showers were hot. Cabins have windows and an overhead fan, but if you are going during the hot season, bring an extra...

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Aubrey P.
8/20/2021

Awesome place! Super friendly staff! Hugely knowledgeable! We went mining for a bit in the hot sun, had fun and will def camp there someday soon!

Half M.
7/26/2023

If You Are Looking To Actually Find Nice Crystals & More Than Just 1 or 2 Don't Go here Our first trip to New York to dig for Herkimer Diamonds was back in 2010. We dug at the Ace of Diamonds...

Darrin B.
6/12/2021

BEWARE! Terrible, Terrible, Terrible! I'm coming from the Mid West. I booked 4 sites in February for the end of June, for our friends and I to get together. I Paid the deposit, and was sent a...

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