Postojna Cave tour times
January, February, March, November and December*: 10 a.m., 12 m. and 3 p.m.
April, May and June: 10 a.m., 11 a.m., 12 m., 2 p.m., 3 p.m. and 4 p.m.
July and August: 9 a.m., 10 a.m., 10:30 a.m., 11 a.m., 11:30 a.m., 12 m., 12:30 p.m., 1 p.m., 2 p.m., 2:30 p.m., 3 p.m., 4 p.m., 5 p.m. and 6 p.m.
September: 9 a.m., 10 a.m., 11 a.m., 12 m., 1 p.m., 2 p.m., 3 p.m., 4 p.m. and 5 p.m.
October: 10 a.m., 11 a.m., 12 m., 1 p.m., 3 p.m. and 4 p.m.
*From December 25 to 30, there are regular tours of the Postojna Cave at 10:00 a.m. and 12:00 m. From 1:30 p.m., tours of the Postojna Cave with the Living Nativity Scene take place.
Predjama Castle opening times
January, February, March, November and December: 10 a.m. - 4 p.m.
April, May, June and October: 10 a.m. - 5 p.m.
July and August: 9 a.m. - 7 p.m.
September: 9 a.m. - 6 p.m.
The last entry is possible 30 minutes before the castle is closed.
Vivarium and Expo Cave Karst opening times
January, February, March, November and December: 10 a.m. - 3 p.m.
April, May, June and October: 10 a.m. - 4 p.m.
July and August: 9 a.m. - 6 p.m.
September: 9 a.m. - 5 p.m.