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Herkimer Diamond Mines, Herkimer

(3.7/5 based on 200+ reviews on the web)
Herkimer Diamond Mines is located in Herkimer. Work out when and for how long to visit Herkimer Diamond Mines and other Herkimer attractions using our handy Herkimer vacation trip planner.
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Reviews
TripAdvisor
  • My son and I stayed in the K O A campsite which was brilliant and spent a day in a blizzard mining for diamonds and geoff helped us find loads it was one of the best days my son son has ever had thank...  more »
  • I personally did not like this too much, what you do is rent or bring tools to break open rocks to find the herkimer diamonds. You are literally in a big gravel pit. which is very dirty. The day we we...  more »
  • Even in the rain this was a fun activity that the whole family enjoyed. There is always a knowledgable employee out in the mines giving you information and tips on how to find the diamonds. 
Google
  • I didn't camp, but I intend to return with my family next year to do the full camping experience. The Herkimer Diamond Mines and Museum are just awesome. The museum offers a safety course and lots of fun activities for kids. They offer a guided tour and all the necessary tools to help you find those rivaled Herkimer Diamonds. Great place to bring children of all ages, but older ones will have more fun.
  • Fantastic place to spend a day pounding rocks for quartz crystals. They aren't real diamonds but they are a rare type of gem. Bring your own equipment or rent hammers and picks at the site. Turn it into an educational day for the kids or just go and smash rocks like an animal for 8 hours and take some neat rocks home. Your best bet is to find rocks that have lots of small black blemishes in them, usually with some glitter in the blemishes. If you find promising rocks you can bring them home and use a mix of concrete cleaner and water(use caution) to dissolve promising rocks for any crystals hidden inside.
  • Interesting experience. When we went it was mid 90s temperature and humid! It was exhausting swinging that hammer to try to find any stones at the diamond mine. If it would have been in the 70s temp-wise, maybe my experience would have been different. We didn't find much. The whole place seems "picked over" and not many people found to much. It is a great thing to do w family at least once, especially if your a camper. Now, the campsite was pretty nice. We had the unfortunate experience of being in a site right next to 3 huge RVs with a ton of people all shove on one site. They were up until 1AM blaring music and used profanity loudly (ear muffs ony 3 year old); the security there did speak to them, but they were rowdy and we curb our trip short one day due to the inconsiderate people next to us. In fact, the campsite not only reimbursed us for our one day, they made the obnoxious people pay for that money lost for the campgrounds.
  • My 6 year old loved it. I did too. We didn't want to leave! The giftshop had worthwhile choices, and the museum was just enough for our attention spans since we were eaher to get back to mining. The KOA campground across the street was also phenomenal.
  • Crowded during summer. But reasonable prices. The key drop was very hidden.