Carter Caves State Park has more than 200 caves on its ground. This is the highest concentration of caves to be found in any area of Kentucky. Six of the caves are open to the public. Three are show caves with paths and electric light, one is used for cave trekking tours, two more, Laurel Cave and Horn Hollow Cave can be explored unguided. A permit is necessary, which is available at the Welcome Center at no charge.
The park has several other karst features, for example natural bridges, which can be discovered on the various nature trails. There are more than 30 km of prepared trails.