Slovenia offers travellers an unusual adventure at Postojna Cave, where a tourist train carries visitors deep underground through dramatic rock formations, vast chambers and a habitat associated with the mysterious creatures popularly known as “baby dragons.”
The experience combines a short train journey with a guided walk, giving visitors a chance to explore one of Europe’s best-known cave attractions.
A Unique Train Journey Underground
The cave railway covers around 3.7 kilometres through underground passages and halls. Visitors travel by train before continuing on foot with a guide to discover the cave’s natural features. The railway has been operating since 1872 and is a major part of the attraction.
Meet the ‘Baby Dragons’
Postojna Cave is famous for the olm, a pale-skinned amphibian that lives in underground waters. Also known as the human fish, it has adapted to life in darkness and can survive for long periods without food. Its unusual appearance inspired old legends that these animals were baby dragons.
Remarkable Rock Formations
Among the cave’s highlights is the Brilliant, a striking white stalagmite about five metres tall. Visitors can also see the Dance Hall, a spacious chamber decorated with chandeliers, alongside other formations shaped over millions of years.
Tickets and Visitor Tips
According to the reported ticket prices, entry to Postojna Cave starts at €34.90, while combination tickets are available for visitors who also want to explore nearby attractions such as Predjama Castle. Prices may change, so travellers should check the official website before booking.
The cave tour includes a guided walk after the train ride. Visitors are advised to reserve a time slot in advance, arrive on time and wear comfortable footwear and warm clothing, as underground temperatures remain cool throughout the year.
Postojna Cave offers a memorable option for travellers seeking something beyond Slovenia’s cities and landscapes, combining geology, wildlife and a distinctive underground railway experience.