| 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 Maona | 20 | 255 | Montecatini Terme | website | Tuscany | Europe | Italy | 43.9000015259 | 10.7666664124 | Map |