Caves and potholes of Italy

The catalogue of Italy lists 8,782 caves, including 6,680 potholes and 2,020 caves. The longest is Abisso Michele Gortani (26,600 m) and the deepest is Abisso Led Zeppelin (1,031 m).

8,782 caves

229.8 km total length

1,031m max depth

Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded. Without length data: 7,145. Without depth data: 187. Without known lithology: 8,782.

Data as of October 31, 2026

The 20 longest

The 20 longest
#	Cave	Location	Length
1	Abisso Michele Gortani	Chiusaforte, Udine	26,600 m
2	Abisso Led Zeppelin	Chiusaforte, Udine	9,012 m
3	Abisso Cesare Prez	Chiusaforte, Udine	8,500 m
4	Grotta Tirfor	Nimis, Udine	7,540 m
5	Dobra P	Chiusaforte, Udine	6,697 m
6	Grotta Egidio Feruglio	Lusevera, Udine	6,348.20 m
7	Abisso del Col della Rizza	Caneva, Pordenone	5,610 m
8	Grotta Impossibile	Trieste	5,609 m
9	Grotta Sara	Nimis, Udine	5,258.60 m
10	Abisso Giovanni Mornig	Chiusaforte, Udine	4,430 m
11	Landri Scur	Claut, Pordenone	3,897 m
12	Rotule Spezzate	Chiusaforte, Udine	3,315 m
13	Buca delle Manzette	Cimolais, Pordenone	3,088.40 m
14	Grotta Ma Che Liberazione!	Meduno, Pordenone	2,730 m
15	Grotta di Trebiciano	Trieste	2,551 m
16	Dio Anubi	Chiusaforte, Udine	2,447 m
17	Buca Mongana	Cimolais, Pordenone	2,187 m
18	Kropka Piec	Chiusaforte, Udine	2,161 m
19	Abisso a N del Pic di Carnizza	Chiusaforte, Udine	2,132 m
20	Abisso del Monte Raut	Frisanco, Pordenone	2,106 m

Full ranking: longest caves in Italy

The 20 deepest

The 20 deepest
#	Cave	Location	Depth
1	Abisso Led Zeppelin	Chiusaforte, Udine	1,031 m
2	Abisso Michele Gortani	Chiusaforte, Udine	935 m
3	Dobra P	Chiusaforte, Udine	934 m
4	Abisso del Col della Rizza	Caneva, Pordenone	794 m
5	Abisso Modonutti-Savoia	Chiusaforte, Udine	770 m
6	Grotta del Laricetto	Chiusaforte, Udine	770 m
7	S 20	Chiusaforte, Udine	760 m
8	Abisso Amore quanto Latte	Chiusaforte, Udine	740 m
9	Abisso Enrico Davanzo	Chiusaforte, Udine	737 m
10	Abisso Capitan Findus	Chiusaforte, Udine	735 m
11	Et 5	Chiusaforte, Udine	726 m
12	Abisso Firn	Resia, Udine	720 m
13	Abisso Gronda Pipote	Chiusaforte, Udine	720 m
14	Abisso Paolo Fonda	Chiusaforte, Udine	712.50 m
15	Abisso Emilio Comici	Chiusaforte, Udine	710 m
16	Abisso Op 3	Chiusaforte, Udine	710 m
17	Abisso Carlo Seppenhofer	Chiusaforte, Udine	708.60 m
18	Abisso Città di Udine	Chiusaforte, Udine	678 m
19	Abisso Klondike	Pontebba, Udine	677 m
20	Abisso Cesare Prez	Chiusaforte, Udine	654 m

Full ranking: deepest caves and potholes in Italy

Regions

Friuli Venezia Giulia

8,782 caves

229.8 km

1,031m

🏆 Longest: Abisso Michele Gortani (26,600m)

⬇️ Deepest: Abisso Led Zeppelin (1,031m)

The figures of these places do not add up to the total: a cave can be in more than one place, or in none when its location has no lower level.

Caves and potholes of Italy

The 20 longest

The 20 deepest

Map

Regions

Friuli Venezia Giulia