Grotta Gigante
CountryItaly
RegionTrieste
Discovered1840
Size/Depth280 m long
About Grotta Gigante
One of the largest tourist caves in the world. The main chamber is 107 m tall, 76 m wide, and 130 m long. Two massive stalagmites are 12 m tall. Used for scientific measurements of Earth tides. The temperature is constant 11C.
Related Caves
Blue Grotto
A sea cave illuminated by an otherworldly blue light. Sunlight enters through an underwater opening ...
Grotte di Frasassi
The Abisso Ancona is 200 m long, 100 m wide, and 80 m high. Features enormous stalactites and stalag...
Grotte di Castellana
One of the most famous show caves in Italy. Discovered in 1938 by speleologist Franco Anelli. The da...