Seneca Caverns Registered Natural Landmark

Seneca Caverns is one of Ohio's largest underground caverns, and one of America's most fascinating geological wonders. Because it is so unique it is often referred to as "The Caviest Cave in the USA".

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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.

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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