Underground Boat Adventure

Join a wonderful boat expedition deep underground in Karst Slovenia.

START
FINISH
Planina
DURATION
4-5 h
TRAIL LENGTH
7km
DIFFICULTY
Easy
PRICE
89 € / Person
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  • Take a boat ride deep into the Planina Cave.
  • Paddle through a labyrinth of passages and stunning underground hall & chambers.
  • Feel the serenity of this underground watery maze and enjoy every splash.
  • Get to know home to 60 aquatic and 40 terrestrial animal species.
  • Location of the Cave is right next to Postojana. Visit with boats, which lasts 4–5 hours and is only possible when the water level is low.

Included in price

helmet
light
protective suit
boots
professional guide
boats

Extras

Transfer from Ljubljana
Transfer from Bled

Pickup location and time

Imagine this: You’re in a boat. Underground. The impeccable silence is broken only by the water dripping from ancient dripstones, animal chatter, the occasional splash of your paddle as you make your way into the subterranean world, and the voice of your guide unlocking the mysteries of this extraordinary place. Sounds poetic and appealing? That’s because it is.

Clean, unspoilt, diverse caves and water systems is what Slovenia is famous for, and on this unique boat trip you get to explore both within the confines of the magical Planina Cave. It boasts remarkable biodiversity and is home to 60 aquatic and 40 land species. Among them is the endemic cave-dwelling aquatic salamander known as the olm or "human fish" (Proteus anguinus). Planina Cave has the largest population of these bizarrely beautiful creatures roaming its depths. Spectacular!

Other special features of the cave include a variety of chambers, numerous underground lakes and impressive rock formations. Located right next to Postojna, the Planina Cave is almost seven kilometres long and believed to be the largest water cave in Slovenia. Check it out for yourselves!

 

Frequently Asked Questions

I am a single traveller, how can I book?

Don’t worry, just drop us a line in our inbox. We will do our best to try and find you some company, so if you are flexible in your travel dates, let us know as well. Do you want a private trip? No problem, we got you covered too.

When can I go to Underground boat adventure?

Our Underground boat adventure is available 7 days a week, all-year-round. It lasts approximately 4 hours, with the recommended starting time between 08:00 and 12:00

What do I need to take with me?

As the mine has a constant temperature of 10 °C, visitors are encouraged to wear appropriate clothing and walking or hiking shoes. The rest of the kayaking and safety equipment will be provided onsite.

Do I need any prior experience to go Underground boat adventure?

No. You’ll be accompanied by a professional guide who will lead you safely down the underground world. All you have to do is paddle and enjoy the ride.

Is it suitable for children?

Children older than 10 years old are welcome on the tour as long as they are accompanied by a parent.
Jovan
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Kiera Clark
I love underground adventures, but this underground experience is something else.
Layla Turner
This underground boat trip was probably the best activity I did in Slovenia. Good organization and so much fun.
George Day
Let me tell you this was adrenalin pumping. Not much light, quite tight in there too and you have a solid pace. But sooooo much fun! Absolutely amazing!
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Enjoy faster and smoother travel with more time to enjoy the sights in the company of up to 8 like-minded people

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