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10. Fisher Ridge Cave System
- length: 209.2 km
- location: Kentucky, United States
- year of discovery: 1981
9. Clearwater Cave System
fot. Sunrise Odyssey from Singapore / wikipedia.org (CC BY-SA 2.5)
- length: 236.8 km
- location: Sarawak, Malaysia
- year of discovery: 1978
8. Lechuguilla Cave
fot. Dave Bunnell / wikipedia.org (CC BY-SA 2.5)
- length: 242 km
- location: New Mexico, United States
- year of discovery: 1900
7. Wind Cave
- length: 248.1 km
- location: South Dakota, United States
- year of discovery: 1881
6. Optymistychna Cave
- length: 257 km
- location: Ternopil region, Korolivka, Ukraine
- year of discovery: 1966
5. Shuanghedong Cave Network
- length: 257.4 km
- location: Suiyang, China
- year of discovery: 1988
4. Sistema Ox Bel Ha
- length: 271 km
- location: Quintana Roo, Mexico
- year of discovery: 1996
3. Jewel Cave
fot. Pi3.124 / wikipedia.org (CC BY-SA 4.0)
- length: 334.8 km
- location: South Dakota, United States
- year of discovery: 1900
2. Sistema Sac Actun
fot. anjči from London, UK / wikipedia.org (CC BY-SA 2.0)
- length: 371.9 km
- location: Yucatan, Mexico
- year of discovery: 1987
1. Mammoth Cave
- length: 667.8 km
- location: Kentucky, United States
- year of discovery: 1791
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