Underground caves

There are 310 karst caves, caverns and sinkholes of national significance. The better known among them are Zelška Caves, Tkalca Cave, Velika and Mala Karlovica (Ponor Cave), and Križna Cave, but most are quite poorly explored.

Letters from Notranjska Park

Discover the most inspiring stories and updates from our very special piece of the world. Sign up for our newsletter and let's stay connected.

Sign up for e-newsletters

Support the work of Notranjska Park

Help us preserve our very special piece of the world for future generations. With your support, we can continue to protect the unique natural and cultural heritage of the mystical land of Lake Cerknica.

Donations