2. World location
The world map shows the approximate location of limestone geology where limestone caves are found.
| Longest Caves | (1995) |
|
| Name | Country | Length km |
| Mammoth Cave sys. | USA | 531 |
| Optimisticheskays | Ukraine | 183 |
| Holloch | Switzerland | 156 |
| Jewel Cave | USA | 145 |
| Sieben Hengste .. | Switzerland | 126 |
| Windy Cave | USA | 113 |
| Ojernaja | Ukraine | 111 |
| Lechugilla Cave | USA | 106 |
| Fisher Ridge C. | USA | 104 |
| Gua Air Jernih | Malaysia | 102 |
| Deepest Caves | (1995) | |
| Name | Country | Depth (m) |
| Reseau Jean-Bern... | France | 1602 |
| Lamprechtsofen....... | Austria | 1535 |
| Gouffre Mirolda...... | France | 1520 |
| Shakta Vjacheslava | Georgia | 1508 |
| Sistema Huautla | Mexico | 1475 |
| Sistema de la Trave | Spain | 1441 |
| Boj-Bulok | Uzbekistan | 1415 |
| Illaminako Ateenoko... | Spain | 1408 |
| Lukina Jama | Croatia | 1393 |
| Sistema Cheve | Mexico | 1386 |
Tables from D. Gillieson, Caves, Processes, Development, Management 1996
Keep in mind that the above list will change as cave exploration continues.
How long is the longest cave in the world?
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| introduction | Australia |