Ruby Falls

This massive underground waterfall has been a family favorite for travelers for over 85 years.

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Meramec Caverns

Beneath the fertile rolling hills of the Meramec Valley, lies a complex of mineral formations and color as rare and unique as they are beautiful. These jewels of nature which took thousands of years to grow, are preserved in the spectacular sights of Meramec Caverns.

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Limestone Caves

Learn About Caves!

Most caves are solutional caves, often called limestone caves for the common type of soluble rock in which they form. The caves form as groundwater dissolves quantities of soluble rock by seeping along joints and faults.

Protecting Caves


Take Nothing but Pictures.
Leave nothing but footprints.
Kill nothing but time.

Cave Conservation is a very important part of cave exploring and show cave visitation. Caves are very fragile and it could take thousands of years, if ever, to repair any damage caused by careless cavers and visitors. Also there are laws in all states that make it illegal to damage or remove anything that is in the cave including formations, any animals that you may encounter while in a cave, or any of the other parts of the cave that is in its' natural state.

 

Cavern Kids

Educate your Students!

Many caves of the NCA offer educational programs to students, scout troops and more! Contact our Director for a list of caverns that offer these programs.

 

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