| name | discoverer | image | geology | type | Area (m²) | elevation (m) | Range | date discovered | Depth (m) | Height (m) | city | Website | administrative división | continent | Country | latitude (°) | Width (m) | Length (m) | longitude (°) | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grotta dell27Orso |  | 39 | 208 | Sgonico | website | Friuli-Venezia Giulia | Europe | Italy | 45.7166671753 | 13.7166662216 | Map | |||||||||
| Grotta Gigante |  | Karst | 1840 | 115 | 275 | Sgonico | website | Friuli-Venezia Giulia | Europe | Italy | 45.7000007629 | 13.7500000000 | Map |