Grotta Gigante Tours
The giant cave: tours descend into the Grotta Gigante on the Karst plateau above Trieste, once the world’s largest tourist cave chamber, filled with towering stalactites and stalagmites. A dramatic underground marvel.
1 tour · prices per person, book with partner
Grotta Gigante in Trieste — FAQ
What is the Grotta Gigante?
A vast show cave on the Karst plateau above Trieste.
How big is the main chamber?
Huge — once recognised as the world’s largest tourist cave room.
How far is it from Trieste?
A short trip up onto the Karst plateau.