5 Sights in Postojna, Slovenia (with Map and Images)

Predjama Castle is a Renaissance castle built within a cave mouth in south-central Slovenia, in the historical region of Inner Carniola. It is located in the village of Predjama, approximately 11 kilometres from the town of Postojna and 9 kilometres from Postojna Cave.

Wikipedia: Predjama Castle (EN), Website

Betal Rock Shelter, a karst cave located on the south-eastern edge of the Lower Pivka river valley on a slope just above the road from Postojna to Bukovje is a site where rich cultural sediment layers with remains of stone tools, artifacts, and numerous fossilized bones of contemporary animals were found. Its entrance was formed by the collapse of the 174 m (571 ft) long cave's ceiling, carved out by the waters of the Pivka River.

Wikipedia: Betal Rock Shelter (EN)

The Notra Museum is located in Postojna, Notransko Kraška region, Slovenia. The museum exhibits the largest exhibition about karst in the world, skeletons of animals from the Ice Age, an interactive tour of all 11,693 caves in Slovenia. The exhibition space covers 700 square meters on two floors of the Notra Museum building. The museum offers guided tours in English and Italian.

Wikipedia: Нотранський музей (UK), Website, Facebook

Pivka Cave is a karst cave located not far from Postojna, where guided tours are organized. The underground river Pivka flows through the cave, which enters the underground world in Postojna Cave. The Pivka Cave is part of the extensive Postojna cave system. The entrance to the Pivka Cave is in the Pivka Cave campsite, where there is a 65 m deep abyss right next to the restaurant. From here it is possible to see the underground river Pivka. The cave is also connected to the Black Cave through a 100 m long artificial tunnel. The underground river Pivka continues its journey to the Planinska cave, where it joins the river Rak and flows further under the name of Unica, the last karst sinkhole in a series of tributaries of the river Ljubljanica.

Wikipedia: Pivka jama (SL)

Lekinka is a horizontal karst cave with an entrance on the northeastern edge of the Postojna Basin, not far from Postojna, or more precisely the village of Veliki Otok in southwestern Slovenia. It is part of the larger cave system of Postojna Cave, with which it has no transient connection; The Black Stream flows into Lekinka, flows along it to the final siphon and reaches the nearby Island Cave underground, where it then flows into the Pivka River. The Black Stream flows almost horizontally along the Lekinka in the length of 1032 m to the final siphon, at this distance the height difference in the riverbed is only 5 m.

Wikipedia: Lekinka (SL)