A cave or cavern is a natural underground space large enough for a human to enter. They vary from length to length, and depth to depth. The cavities in the caves are also considered for distinguishing them up. We have collected the list of top 10 longest caves for you from round the world, that are listed as per their lengths are concerned, starting it from number 10.
10- The Clearwater System (Gua Air Jernih)
| Country | Malaysia |
| State | Sarawak |
| Length (miles) | 109.153 |
| Length (meters) | 175664 |
| Depth (feet) | 1165 |
| Depth (meters) | 355.1 |
9- Sistema Sac Actun (Nohoch Nah Chich)
| Country | Mexico |
| State | Quintana Roo |
| Length (miles) | 109.188 |
| Length (meters) | 175721 |
| Depth (feet) | 235 |
| Depth (meters) | 71.6 |
