9 Cave & Castle Tours in Koper Worth Booking

1.Postojna Cave and Predjama Castle Tour

★★★★★★★★★★4.7 · 60 reviews · 5 hours · from $133Our pick

Ride through Postojna Cave, meet the cave olm, and explore cliffside Predjama Castle on a five-hour tour from Koper.

“This was a great pick when we where cruising in Slovenia. It was so easy to locate the staff when we got off the ship and our tour guide was very friendly and informative as we drove to our destinations. One tip - make sure you take some warm clothes for the Caves as it is very cold. We had to hire a coat/cape at €4 each (so we all looked like something out of the Hobbit!!) but it did the job. Would defiantly recommend booking before you go if you are cruising.”

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2.Postojna Cave & Predjama Castle from Koper

★★★★★★★★★★4.5 · 46 reviews · 5 hours (approx.) · from $139

Review of the Postojna Cave and Predjama Castle tour from Koper, with train ride, cave walk, practical tips, pricing, and honest drawbacks.

“Great experience! Dress warmer than you think you should! The train ride in and out of the cave is very chilly. Not recommended for those who struggle to walk long distances or climb stairs. The overall experience was great and well narrated.”

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3.Tour to Postojna and Predjama Castle from Koper

★★★★★★★★★★5.0 · 45 reviews · 5 hours (approx.) · from $118Top rated

Ride an underground train through Postojna Cave, then photograph Predjama Castle on a practical half-day trip from Koper.

“I would say if you only had one thing to see in Koper, then go see Postojna cave. It'll be nothing that you have ever seen before. Simply Amazing.”

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4.Postojna Cave & Photostop Predjama castle – Group Tour from Koper

★★★★★★★★★★5.0 · 35 reviews · 5 hours (approx.) · from $153

Explore Postojna Cave by electric train, then photograph Predjama Castle on a five-hour small-group trip from Koper.

“Our driver was waiting for us at the port and we were joined by 4 other people. We had a wonderful time at the caves. These are the most amazing caves I have ever experienced. It it really worth the trip. Great experience.”

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5.Group tour to Postojna Cave from Koper – with unique cave train

★★★★★★★★★★4.5 · 20 reviews · 5 hours (approx.) · from $105Best value

Ride Slovenia’s unique cave train from Koper to Postojna Cave, then see Predjama Castle on a practical half-day shore excursion.

“It was a good tour through the cave. A lot of walking up hill and down. The cave is very cold so bring a jacket”

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6.Postojna Cave & Predjama Castle – Shore Excursion from Koper

★★★★★★★★★★4.5 · 12 reviews · 5 hours (approx.) · from $142

Explore Postojna Cave and cliff-hung Predjama Castle from Koper on a flexible small-group shore trip with pickup included.

“Koper Tours guide Matt was an excellent host for our cruise stop in Koper. From finding him as we disembarked (super easy) to the drive out to the cave and castle (good info on Slovenia history and culture), to a couple quick extra stops on the drive back because we were ahead of schedule. Thanks Matt and Koper Tours! You made our first time experience in Slovenia memorable.”

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7.Postojna Cave & Predjama Castle – Small Group Tour from Koper

★★★★★★★★★★4.5 · 5 reviews · 5 hours (approx.) · from $133

Review of the Postojna Cave and Predjama Castle tour from Koper, with electric-train cave access, castle audio guides, transport, and practical tips.

“This is not a moderate activity; it is challenging. The guide was nice but was subpar based upon other Viator guides we have had on many other tours.”

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8.Shore Excursion/Private – Postojna Cave and Ljubljana from Koper

★★★★★★★★★★5.0 · 4 reviews · 8 to 9 hours (approx.)

Review of a private Koper shore excursion to Postojna Cave and Ljubljana, with practical advice on timing, cost, walking, guides, and what to pack.

“Igor was an amazing guide and the caves where the single most impressive thing I have ever seen traveling this world (and we have been to over 40 countries). The capital city of Slovenia was also worthy and very informative. Anyway, it was all that and now I have been to Slovenia!!!!”

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9.Half day tour to Postojna cave – Private tour from Koper

★★★★★★★★★★4.0 · 3 reviews · from $145

Visit Postojna Cave and Predjama Castle from Koper, Trieste, or Piran in a private vehicle with cave entry, pickup, and local insight.

“If you are coming into Trieste on a cruise, I highly recommend this trip. We were whisked away from the ship to the beautiful country of Slovenia in just a few minutes. Our luggage was safely secured in the back while we toured and it waRead more”

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