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Our spacious, wooded campground is right next to our own “Herkimer Diamond” mines.   We invite you to enjoy a natural campground setting with modern conveniences.  Spend the day collecting beautiful “Herkimer Diamonds” and then stroll across the footbridge back to your campsite for a leisurely dinner.  Whether you are a tenter, an RVer, or would prefer to stay in a comfortable cabin, we have a space for you.  Or just come for the day to visit our three collecting areas.

The mines and campground are open daily from mid-April through mid-October.  The camp store sells ice, firewood, camping basics, mining tools, gift items, and beautiful mineral specimens from around the world, as well as an extensive assortment of our own “Herkimer Diamond” crystals and matrix specimens.

While you’re here, enjoy the many attractions of central New York and the nearby Adirondack State Park.  This area is rich with historical sites, beautiful birds and wildflowers,   outdoor activities, and natural wonders; there is sure to be something for everyone.

So come for a “Herkimer Diamond”-digging adventure or a unique camping experience or both – either way, your visit to Crystal Grove Diamond Mine & Campground will surely be a memorable one!

That's a wrap folks! Thanks so much for the epic first season as a new owner and management team here at Crystal Grove - we hope you had a great season and see you next year! ... See MoreSee Less

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Thanks so much for sharing Cheryle! ... See MoreSee Less

Was there on Saturday 9-23-2017 and hit my first pocket ever..I've been mining for herkimers for 8 years with my husband and a bunch of different friends we made over the years..this is the biggie tha...

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Thanks for sharing! ... See MoreSee Less

Found this when I was looking for the best mines to visit and we agree!! Just came I back from another weekend stay there and told them we might as well live there... Thanks for being so accommodati...

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Crystal Grove Diamond Mine & Campground shared a post. ... See MoreSee Less

Thank you, Crystal Grove, for yet another trip that was both relaxing, in terms of being such a well-run and pleasant campground to stay in, and exciting, because you work the mines with your guests i...

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School is back in session folks!

Did you know, we have schools and youth groups from all over New York State that choose Crystal Grove as their field trip destination?

We have accommodated school group sizes from 180 all the way down to just 25, so size isn't a factor! We offer an excellent discounted rate for schools!

Please contact us for more information, or to have an informative letter sent directly to you or your school.
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A Gem of a Place