Frontal group photo under a large 'Herkimer Diamond Mines' entry sign — clearly shows the property entrance and gathering area, useful for visitors.
Wide outdoor shot at dusk showing a lodge/building, grassy lawn and a central campfire ring with people — good view of campground social area and facilities.
Aerial/overview of the mining quarry with many visitors searching among rock piles — key on-site attraction and landscape of the property.
Exterior of a timber-framed building labeled 'Village Hall' with entrance plaza — shows on-site facilities and visitor amenities.
Rustic multi-level cabin structure with surrounding trees and outdoor seating/umbrellas — represents lodging/cabin accommodations on the grounds.

Reviews (5)

What Guests Are Saying

Reviews for Herkimer KOA & Diamond Mine highlight a mix of experiences. Positive aspects include friendly and helpful staff, a well-maintained resort, and enjoyable mining activities with good shopping options. However, guests noted issues with noise from events like weddings, lack of pre-arrival information about such events, and concerns about facilities being closed during off-peak hours, leading to challenges in accessing necessary supplies.

Review Summary

3.2
5 reviews
5
40.0%
2
4
20.0%
1
3
0.0%
0
2
0.0%
0
1
40.0%
2
Alex

Alex

November 5, 2025

1

Be prepared to listen to pounding bass music until quiet hours start, I was in a camper and could clearly hear every note. Forget about sitting by the fire, and I can’t imagine how it is for tent campers.

The owners should inform campers at the time of booking if there’s also a wedding booked, or at least that there’s a chance a wedding will occur during their stay. The owners obviously choose not to inform paying guests who are camping because they can get away with it - By the time you find out there’s a wedding, you’ve already paid and aren’t going to leave in the middle of the night.

I requested a refund for the night of the wedding which was denied by management, however I was able to succesfullly charge back the night in question and would encourage other campers to do the same if this happens to them.

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David Meacham

David Meacham

October 30, 2025

5

We like to camp in our RV here along with our cats. We were supposed to camp in early October but one of our cars needed surgery and had to wear that cone of shame. That being said we couldn't go when we planned. However we did not want to canel and Gloria at the reservation desk was able to push us out 2 weeks. She and all the staff associated with KDM KOA were simply wonderful people to deal with. We would have taken up their offer of 15% off our next reservation but we just dont have a time in mind for next year. We will be back!

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Patrick Talmadge

Patrick Talmadge

October 21, 2025

5

We didn't stay over night but we did mine and shop at the store. The whole resort was well laid out and clean. Our experience mining was wonderful and I also bought my gal a nice diamond ring a bracelet for a great price.

Google Maps
K C

K C

October 16, 2025

4

Rented a glamping pod (in what I new realize is the off season). Store/office is closed by 5 post season-which makes it a challenge to get things you need (firewood) if you are off site for the day. While its lovely its in the middle of the woods, truly... it presents the added challenge of not being able to get things you need locally.

I was on the mountain side so never really explored the main campground as I was off site during daylight hours.
Glamping pod is as described-small but functional. It would be tight for 2 people but worked for me (solo). Wish they'd add more hooks in the pod. Water was nice and hot for shower 👍👍

Google Maps
Michael McCormack

Michael McCormack

October 8, 2025

1

Was not advised that I would be awakened by chain saws at 8-am, nor that the campground is an active construction site with heavy equipment moving around. Terrible! To add insult to injury this is a VERY over priced facility @ $109 per night. Find somewhere else to stay, your wasting money and begging for torment. All management would do is say " I'm sorry you feel that way" from Freshman psychology.
Better environment in a Walmart parking lot!

Google Maps

Location & Directions for Herkimer KOA & Diamond Mine

4626 State Route 28, Herkimer, NY 13350 United States

Elevation: 170 ft

Nearest town

Herkimer, NY - 7.9 mi

About 10 min to downtown

Highway access

The campground is on State Route 28. Interstate 90 is near and State Route 5 is near, providing additional regional access.

Nearby Campgrounds

Nearby destinations


Last updated: October 7, 2026

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Explore Herkimer, NY

Population: 7,566

Nearby city: Utica, NY

Approx. 13 mi away (straight-line distance)

Elevation: 384 ft