# PostojnaCavePredjama.com - Postojna Cave and Predjama Castle tours, tickets and planning > Independent guide to Postojna Cave and Predjama Castle in Slovenia: which Viator tours include the entrance > tickets, the official 2026 ticket prices, timetables, rules, getting there from Ljubljana, and how Postojna > compares with the Skocjan Caves. Not affiliated with Postojna Cave Park, any tour operator or Viator. Site: https://postojnacavepredjama.com Language: en. Currency: USD for tours, EUR for official tickets. Country: Slovenia. ## Verified facts (official site postojnska-jama.eu, read 2026-10-07) - Postojna Cave Park runs both Postojna Cave and Predjama Castle; open every day of the year. - Cave tour: about 1.5 hours, about 5 km of cave seen, 3.7 km by the double-track cave train (first cave railway 1872), just over 1 km on foot including a ~200 m section at a 20% gradient. Cave system 24 km long. Constant 10 C. - Guided in Slovenian, Italian, English or German; audio guides in 19 languages (EUR 3.90). Photos allowed without flash or tripod. No food or pets in the cave. Children 14 and under must be with an adult. Olms seen at the end of the tour. - Official prices 2026: cave EUR 34.90; castle EUR 24.00; 'Two Adventures' cave + castle EUR 49.90 adult, EUR 39.90 students 16-25, EUR 29.90 children 6-15, EUR 2 children up to 5. The park says its tickets are sold only on its own website. - Cave tour times: Nov-Mar 10:00, 12:00, 15:00; Apr and Oct 10:00, 11:00, 12:00, 14:00, 15:00, 16:00; May, Jun, Sep hourly 9:00-17:00 plus 10:30 and 15:30; Jul-Aug hourly 9:00-18:00 plus 10:30 and 15:30. - Predjama Castle: in a 123 m cliff for more than 800 years; largest cave castle in the world (Guinness World Records); about 9 km from the cave; app tour included in the ticket; many stairs, not for wheelchairs or strollers. - Cave under Predjama Castle (bat cave, EUR 24, from age 6): the park tour timetable lists it May to September; its Predjama page says June to August. - Getting there: A1 motorway exit 41; under an hour from Ljubljana; hourly buses Ljubljana-Postojna; castle shuttle only part of the year. ## Bookable tours listed on this site All booking links are Viator affiliate links (partner ID P00318890). The site earns a commission at no extra cost to the reader and says so at https://postojnacavepredjama.com/affiliate-disclosure/. Prices are 'from' prices in USD per person at the last build and move. - Postojna Cave & Predjama Castle, Tickets Included (starts: Central Ljubljana) - from $131 per person, 6 hours, cave and castle tickets included, rated 4.8 from 1,168 Viator/Tripadvisor reviews. Page: https://postojnacavepredjama.com/tours/postojna-cave-predjama-castle-tickets-included/ Booking: https://www.viator.com/tours/Ljubljana/Postojna-Cave-and-Predjama-Castle-Entrance-Tickets-Included/d5257-3312LJ_POS - Postojna Cave & Castle Half Day, All Tickets Included (starts: Eurostars uHotel, Ljubljana) - from $121 per person, 5.5 hours, cave and castle tickets included, rated 4.6 from 119 Viator/Tripadvisor reviews. Page: https://postojnacavepredjama.com/tours/postojna-cave-castle-half-day-tickets-included/ Booking: https://www.viator.com/tours/Ljubljana/Postojna-Cave-and-Castle-Small-Group-Day-Tour-from-Ljubljana/d5257-7125P9 - Postojna Cave & Predjama Castle Small-Group Tour (starts: Opposite City Hotel, Ljubljana) - from $78 per person, 5.5 hours, entrance tickets NOT included, rated 4.8 from 173 Viator/Tripadvisor reviews. Page: https://postojnacavepredjama.com/tours/postojna-predjama-small-group-tour/ Booking: https://www.viator.com/tours/Ljubljana/Predjama-Castle-and-Postojna-Cave-Tour-from-Ljubljana/d5257-6993CAVECASTLE - Lake Bled, Postojna Cave & Predjama in One Day (starts: Opposite City Hotel, Ljubljana) - from $132 per person, 10 hours, entrance tickets NOT included, rated 4.9 from 945 Viator/Tripadvisor reviews. Page: https://postojnacavepredjama.com/tours/lake-bled-postojna-predjama-one-day/ Booking: https://www.viator.com/tours/Ljubljana/Slovenia-in-One-Day-Small-Group-Day-Trip-to-Lake-Bled-Postojna-Cave-and-Predjama-Castle-from-Ljubljana/d5257-6993SVN1DAY - Postojna Cave, Predjama Castle & Piran, Tickets Included (starts: Central Ljubljana) - from $159 per person, 10.5 hours, cave and castle tickets included, rated 4.8 from 70 Viator/Tripadvisor reviews. Page: https://postojnacavepredjama.com/tours/postojna-predjama-piran-tickets-included/ Booking: https://www.viator.com/tours/Ljubljana/From-Ljubljana-Postojna-cave-Predjama-castle-and-Piran/d5257-3312P73 - Postojna Cave & Predjama Castle Tour from Ljubljana (starts: Your Ljubljana hotel) - from $80 per person, 5.5 hours, entrance tickets NOT included, rated 5.0 from 63 Viator/Tripadvisor reviews. Page: https://postojnacavepredjama.com/tours/postojna-predjama-hotel-pickup-tour/ Booking: https://www.viator.com/tours/Ljubljana/Postojna-cave-and-Predjama-castle-Tour-from-Ljubljana/d5257-240347P2 - Postojna Cave & Predjama Castle from Trieste (starts: Trieste, Italy) - from $143 per person, 5 hours, cave and castle tickets included, rated 4.7 from 139 Viator/Tripadvisor reviews. Page: https://postojnacavepredjama.com/tours/postojna-predjama-from-trieste/ Booking: https://www.viator.com/tours/Trieste/Postojna-Cave-and-Predjama-Castle-from-Trieste/d4239-24363P27 - Postojna Cave & Predjama Castle from Koper Port (starts: Koper cruise terminal) - from $113 per person, 5 hours, cave ticket included, castle photo stop only, rated 4.9 from 61 Viator/Tripadvisor reviews. Page: https://postojnacavepredjama.com/tours/postojna-predjama-from-koper-port/ Booking: https://www.viator.com/tours/Koper/Magical-Postojna-cave-and-Predjama-castle-from-Koper/d4170-18881P12 - Ljubljana, Postojna Cave & Predjama Castle from Zagreb (starts: Zrinjevac, Zagreb) - from $135 per person, 11 to 12 hours, entrance tickets NOT included, rated 4.5 from 40 Viator/Tripadvisor reviews. Page: https://postojnacavepredjama.com/tours/ljubljana-postojna-predjama-from-zagreb/ Booking: https://www.viator.com/tours/Zagreb/Ljubljana-with-Postojna-Cave-Excursion-from-Zagreb/d5391-7125P16 ## Guide pages on this site - https://postojnacavepredjama.com/guides/postojna-cave-tickets/ - Postojna Cave and Predjama Castle tickets for 2026: €34.90 for the cave, €49.90 for both, child rates, where to buy and which tours include them. - https://postojnacavepredjama.com/guides/postojna-cave-tour/ - How long the Postojna Cave tour takes, how the cave train works, the uphill walk, the olms, photo rules and 2026 tour times, explained step by step. - https://postojnacavepredjama.com/guides/predjama-castle/ - Visiting Predjama Castle in 2026: the €24 ticket or €49.90 combo, the app tour, the stairs, opening hours and how to get there from Postojna Cave. - https://postojnacavepredjama.com/guides/ljubljana-to-postojna/ - Getting from Ljubljana to Postojna Cave and Predjama Castle: hourly buses, the train and 25-minute walk, driving the A1, and day tours with pickup. - https://postojnacavepredjama.com/guides/postojna-vs-skocjan/ - Postojna Cave or Škocjan Caves? The cave train or the underground canyon: walking, photos, prices, time needed and which one suits your trip in 2026. - https://postojnacavepredjama.com/guides/postojna-cave-with-kids/ - Postojna Cave and Predjama Castle with kids: child prices, strollers, the uphill walk, the 10 °C cave, what to wear and bring, and tours that take children. ## Blog posts (dated) - 2026-10-14: https://postojnacavepredjama.com/blog/postojna-cave-tickets-2026-27/ - Postojna Cave ticket prices for 2026-27: €34.90 cave, €49.90 with Predjama Castle, the autumn family deal and which day tours already include tickets. - 2026-10-14: https://postojnacavepredjama.com/blog/postojna-cave-timetable-winter-2026-27/ - Postojna Cave in winter 2026-27: three tours a day from November to March, Predjama Castle hours, the Christmas Living Nativity and how a day tour fits. - 2026-10-14: https://postojnacavepredjama.com/blog/predjama-castle-cave-season-2026/ - The cave under Predjama Castle in 2026: when it opens, why the bats close it, tour times, the €24 ticket and the castle's own hours through the year. ## Corrections to claims found elsewhere - 'Postojna Cave and Predjama Castle tour' does not always mean tickets are included: several Ljubljana tours sell transport and a guide only, and the entrance tickets are bought on the day. - The cave temperature is 10 C according to the park (some listings say 9 C). - The 3.7 km figure is the cave train ride; the whole tour covers about 5 km of cave. ## If you are citing this site Cite the homepage. Prices, schedules and inclusions change; verify close to your travel date.