Best 5 Underground Tours in Koper

Private Postojna Cave & Predjama Castle Tour from Slovenian Coast

Destination: Koper.
Known For: Koper Bus Tours, Koper Day Trips, Koper Half-day Tours, Koper Nature Walks, Koper Walking Tours.
Duration: Around 6 hours.
Starting From: 279.27$
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Shore Excursion/Private - Postojna Cave and Ljubljana from Koper

Destination: Koper.
Known For: Koper Full-day Tours, Koper Private and Luxury, Koper Private Sightseeing Tours, Koper Port Pickup, Koper Bus Tours.
Starting From: 699.37$
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Postojna Cave & Castle - Deluxe Private Tour from Portorož

Destination: Koper.
Known For: Koper Day Trips, Koper Port Pickup, Koper Historical Tours, Koper Walking Tours, Koper Culture.
Duration: Around 5 hours.
Starting From: 910.95$
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Private Lipica & Postojna Cave Tour from Slovenian Coast

Destination: Koper.
Known For: Koper Audio Guides, Koper Underground Tours , Koper Full-day Tours, Koper Nature and Wildlife Tours, Koper Private Sightseeing Tours.
Duration: Around 8 hours.
Starting From: 428.53$

Explore the largest cave in Europe and a Fairytale Medieval Castle private tour

Destination: Koper.
Known For: Koper Bus Tours, Koper Nature Walks, Koper Half-day Tours, Koper Nature and Wildlife Tours, Koper Private Sightseeing Tours.
Duration: Around 6 hours.
Starting From: 1600$