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Grotta Gigante, Sgonico

4.7
#5 of 134 in Things to do in Province of Trieste
Outdoor Activity
The largest naturally occurring cavern in Europe, Grotta Gigante was discovered in 1840 during a search for underground water sources for the town’s aqueduct. Take a tour, available in Italian or English, and head down the 500 steps, past ancient stalactites and stalagmites, stopping to take in the views. After the tour, visit the nearby museum of speleology to learn more about the formation of the caves and see some interesting geological and paleontological finds, as well as a poster collection depicting the cave. To visit Grotta Gigante on your trip to Sgonico, use our Sgonico trip builder.
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4.7
  • We didn't really know what to expect from the grotta, but it turned out to be an incredible experience! Our guide was friendly and told a lot of cool things about the cave, spoke great english as well...  more »
  • A wonderful masterpiece of mother nature, a huge cathedral underground. One of the most impressive thing you can see. In total there are 1000 steps to be done but all of them are worthed to enjoy such...  more »
  • We had such a great experience exploring the cave with the guide. The cave is easy accessible by public bus 42 departing from the Trieste bus station. The ride to the cave (bus stop Borgo Grotta) last...  more »
Google
  • Eine Atemberaubende Höhle. Warum es aber nur drei Sterne gibt? Die Führung auf Deutsch ist nicht ganz so gut. Man wird durch die Grotte geschleußt wie Touristen.
  • The unexpected magnitude of the place along with its suggestive beauty, enhanced by a good use of artificial lighting made this visit a magic experience, for me. The ticket isn't cheap, but it's well worth it. The tour takes the better part of an hour, and it has many steps. The temperature inside is always cool so if you are visiting in the warmer months you should bring some extra clothing. Best thing to see around Trieste, in my opinion.
  • It's a wonderful big room very interesting. On the entrance there is a very nice museum
  • nice experience to watch the biggest hall cave in Europe and is very deep to and they used this place to detect earthquake signals
  • Amazing place well organised and guides are full of information.