I also thought if you saw one cave they were all the same. Not true. This is a very unusually cave that is a must see The cave is a self guided tour with earphones. There is a gift shop on the grounds.

We enjoyed going into Onyx Cave. It was cool and cool, temperature wise. Very interesting to see and very reasonable price. Nice gift shop.

There are much more caves in the area and I recommend to go to the others. If you have plenty of time and don't mind to pay... it's ok, but the cave is not a marvelous!

This is the smallest cave I've been in, but it was still pretty neat. It's a self-guided tour where you listen to headphones and push a green light for each section of the cave. It was a little hard to listen to, especially if the...More

The self-guided tour is conducted over cold-war era (at best) headphones and radio broadcasting from each stop. It's not super-engrossing, but it is unintentionally hilarious at times. It's not a location I would travel a great distance to see, but if you are in Eureka...More

This is one of the best caves that I have been to. We absolutely loved it. My top 3 out of five that I have been to in northern Arkansas or southern Missouri are as follows. 1 true 3 could have tied for first and...More

Nice folks. Average cave. Fun cave tour. Very short in comparison to many of the larger caves but that's good if your elderly, have small kids or are a bit out of shape.

We were on our way out of town and saw the sign. We can't resist a good cave and thought what the heck? Such a great little detour. The gentlemen in the shop were funny and kind. The shop is pretty standard fare- mass produced...More

My husband and I visited this weekend and it was very beautiful! It is a self guided tour which I enjoyed moving at our own pace. Nice walk ways in cave.

Onyx cave is a great way to educate kids and adults alike, on stalactites and stalagmites, in addition to the geographic composition of the area around the Ozark mountains. It's a bit off the path but..it is a cave. The drive to the cave is...More