Cosmic Cavern is a limestone cave located in north Arkansas, near the town of Berryville, Arkansas. One brochure for the cave touts it as "Arkansas' Most Beautifully Decorated Cave." It is the "warmest" cave in the Ozarks, having a high humidity holding at a constant 64 °F year-round. Most caves in the area are between 55° and 60°.Use our Berryville tour itinerary planner to add Cosmic Cavern and other attractions to your Berryville vacation plans.
The cave has an abundance of formations (speleothems), including stalactites, stalagmites, flowstone, cave popcorn, cave bacon, and a multitude of soda straws and helictites.
One section of the cave housing a particularly spectacular group of soda straws has been dubbed "Silent Splendor." One of the longest soda straw formations in the Ozarks, this large formation has straws hanging up to nine feet in length.
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Cosmic Cavern Reviews
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My husband, kids and I had to change our vacation plans this year and found ourselves at Cosmic Caverns. We had such a wonderful time! Our tour guide was informative and entertaining, the two lakes..... more »
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My in-laws, husband, kids and I all had a great time on this tour! Everyone was super friendly and the tour guide was excellent. She was very knowledgeable about the cave and had fun with the... more »
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An absolutely fantastic time!! Our guide Abby was incredible! She made us feel like family. I really can't say enough about her. Fantastically wonderful. The cave is beautiful and we are going back for the Wild Tour that will allow us to see even more!
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What a hidden gem! (Pun intended) it was a total unexpected surprise. The caverns are beautiful and quite large, and we found it interesting that they are still exploring new areas of the cave currently! We really enjoyed the tour guide even though it was her first week on the job, she did a wonderful job explaining and giving us the tour. 10/10 would recommend! It is a must visit if in the area!
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