Kostanjevica Jama

Kostanjevica Cave

Useful Information

Location: 1.5 km from Kostanjevica na Krki. Road to the cave is signposted.
Open: 15-APR to JUN Sat, Sun, Hol 10, 12, 14, 16, 18. JUL-AUG daily 10, 12, 14, 16, 18. SEP-OCT Sat, Sun, Hol 10, 12, 14, 16, 18. [2005]
Classification: SpeleologyKarst Cave. Cretaceous limestone
Light: LightIncandescent Electric Light System
Dimension: L=2,000 m, VR=45 m, A=169 m asl, T=12 °C.
Guided tours: L=300 m, D=40 min..
Address: Kostanjeviska Jama-Po poteh dediscine Dolenjske in bele Krajine Kostanjevica Na Krki, 8311 Kostanjevica na Krki, Tel: +386-608-87-088, +386-608-87-542. Tel: +386-41-297001, +386-7-49-87088 E-mail: contact
As far as we know this information was accurate when it was published (see years in brackets), but may have changed since then.
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1937 discovered, as the entrance collapsed because of a flood.
1971 developed, electric light and paths, opened to the public.


Kostanjevica Jama is a rather new discovery in Slovenia, where most caves are known and open to the public for centuries. A flood opened the cave entrance in 1937. Several decades later it was developed and opened to the public.