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Grotta Gigante

Localita Borgo Grotta Gigante 42/A, 34010, Sgonico, Italy
+39 040 327312
Review Highlights
A great cave close to Trieste.

Made a visit with the family and attended twice the November run through the cave - Cronotraversata... read more

Reviewed 3 weeks ago
Iztok M
Izola, Slovenia

Great experience. The guide did the tour in two languages, Italian and English. The cave is big... read more

Reviewed 13 October 2017
Reykjavik, Iceland
Read all 824 reviews
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Grotta Gigante, located near Trieste (20 min by car, 30 by bus) and close to highway Venice - Slovenia/Croatia (5 min from exit "Sgonico" or "Prosecco") is the only show cave on Italian land so named "Carst" . It's the show cave with the largest natural hall inside in Europe(98,5 m high, 76 m wide and 167 m long). Inside temperature 11°C all the year. 500 steps from entrance to deepest point of tourist path. Many stalactites and stalagmites (the largest is 12 meters high). Total lenght of tourist path: 860 meters. Open all the year.
  • Excellent71%
  • Very good24%
  • Average3%
  • Poor1%
  • Terrible1%
Travellers talk about
Localita Borgo Grotta Gigante 42/A, 34010, Sgonico, Italy
+39 040 327312
Write a ReviewReviews (824)
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1 - 10 of 97 reviews

Reviewed 3 weeks ago

Made a visit with the family and attended twice the November run through the cave - Cronotraversata del Maestro - over the 500 steps down and the 500 steps up. Till 2006 it was declared the biggest cave in Europe. Recommended.

Thank Iztok M
Reviewed 13 October 2017

Great experience. The guide did the tour in two languages, Italian and English. The cave is big, with impressive stalactites and stalagmites. The temperature is quite low inside, so bring a light sweater. Not advised if you have problems walking, as there are 500 steps...More

Thank Ficie
Reviewed 2 October 2017

We caught the 42 bus from Trieste and the journey took about 35 minutes. The tours start on the hour so be aware you might have some waiting time. There is a small museum and there are a couple of places for coffee etc. Our...More

1  Thank Bobbelar
Reviewed 20 September 2017

This cave is really big. It's impressive to go down there, even if there are dozens of other tourists in front and behind you. The guide only spoke italian, but we had a translation from the front desk in english and german with us, so...More

Thank mybraintravels
Reviewed 9 September 2017

Grotta Gigante is the largest Tourist underground chamber in the World. You reach it by bus from Trieste, approximately 30 min, or perhaps more convenient by taxi. You are not allowed to go by yourself into the Cave. There is a one-hour guided tour starting...More

Thank Olle O
Reviewed 11 August 2017

We had heard about the big caves in Slovenia (postojna and skocjan) but were unable to easily get there with public transport and instead were recommended this cave. The cave itself it extraordinary, a massive cavern with some very interesting stalagmite and stalagmite structures. It...More

2  Thank abbi M
Reviewed 7 August 2017

I heard of this place from a local friend of mine and since my wife loves to see and experience caves this was a natural choice to visit. The main cave is just enormous! 500 steps down and 500 steps up is an excellent excersice...More

1  Thank Timo S
Reviewed 27 July 2017

The name of this cave doesn't lie, this cave is essentialy one giant underground chamber. The tour has a duration of one hour, with a guide speaking in both Italian and English. To enter and exit the cave, you'll have to battle 500 steps, but...More

1  Thank Tim V
Reviewed 23 July 2017

An extraordinary natural wonder located in the hills above the Gulf of Trieste, close to the border with Slovenia. Opened to the public in 1908 this is a show cave with the world's biggest underground chamber (365,000 cu. m.) and is nearly 100m high. Beware...More

2  Thank oliver5125
Reviewed 31 May 2017 via mobile

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. We were there in late May, and...More

Thank Jakko16
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Questions & Answers
Joyce Y
25 May 2016|
AnswerShow all 4 answers
Response from Grotta_Gigante_Promo | Property representative |
Dear Joyce, the cave is located 10 km from the city centre of Trieste: By car from highway: exit "Sgonico" if coming from direction Venezia/Udine; exit "Prosecco" if coming from direction Trieste/Lubiana. After exit, follow... More
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