There is a new underground tour for visitors to the oldest opal mines in the world, located in the Slanské mountains under Prešov. As well as the opal mines, there are many attractions to discover in the region. Check our Spectacular Slovakia travel guide.

Until now, visitors were able to explore only about 700 metres of the 36 kilometres of underground tunnels but recently, another 300 metres have been added for tourists, informed marketing manager of the Slovak Opal Mines Iveta Adamová.
During the guided tour, visitors can see a demonstration of mining activities, become familiar with drainage techniques and view an underground stream. They can also check out the space where the miners would take a break. Other attractions include a magical children's world and an underground compass.