List of longest caves
List

List of longest caves

Section Title: List
Table Section Text: None

System	Length	Location	Discovery	Associated parks, protected areas

Mammoth Cave	651.8 km (405.0 mi)	near Brownsville, Kentucky, United States	1791	Mammoth Cave National Park, also a World Heritage Site and International Biosphere Reserve

Sistema Sac Actun / Sistema Dos Ojos	360.5 km (224.0 mi)	near Tulum, Quintana Roo, Mexico	1987	none

Jewel Cave	324.9 km (201.9 mi)	near Custer, South Dakota, United States	1900	Jewel Cave National Monument

Sistema Ox Bel Ha	270.2 km (167.9 mi)	near Tulum, Quintana Roo, Mexico	1996	southern parts in Sian Ka'an Biosphere Reserve

Shuanghedong Cave Network	257.4 km (159.9 mi)	Guizhou, China	1988	Suiyang Shuanghedong National Geopark

Optymistychna Cave	257.0 km (159.7 mi)	near Korolivka, Ukraine	1966	Dnistrovskyy Canion

Wind Cave	241.6 km (150.1 mi)	near Hot Springs, South Dakota, United States	1881	Wind Cave National Park

Clearwater Cave System	227 km (141.1 mi)	near Miri, Sarawak, Malaysia	1978	Gunung Mulu National Park, also a World Heritage Site

Lechuguilla Cave	222.6 km (138.3 mi)	near Carlsbad, New Mexico, United States	1900	Carlsbad Caverns National Park

Fisher Ridge Cave System	208.8 km (129.7 mi)	near Brownsville, Kentucky, United States	1981	partly within Mammoth Cave National Park

Hölloch	201.9 km (125.5 mi)	Muotathal, Switzerland	1875	none

Sentence(s)

Optymistychna Cave is one of the longest caves.
Optymistychna Cave is the longest cave in the world, after Mammoth Cave, Sistema Sac Actun, Jewel Cave, and Sistema Ox Bel Ha.
Optymistychna Cave is one of the longest caves.

final_sentence: Optymistychna Cave is one of the longest caves.
final_sentence: Optymistychna Cave is the longest cave in the world, after Mammoth Cave, Sistema Sac Actun, Jewel Cave, and Sistema Ox Bel Ha.
final_sentence: Optymistychna Cave is one of the longest caves.