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.
National Caves & Karst Day
June 6, 2021 National Caves & Karst Day
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.