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Mammoth Cave, the world's longest known cave system. This list of longest caves includes caves in which the combined length of documented passageways exceeds 100 kilometres (62 mi). In some of these caves, passageways are still being discovered. [1] [2]
A schematic representation of the Miao Room within the Gebihe cave system. Miao Room is the largest known cave chamber by volume in the world. [1] It is a part of the Gebihe cave system, which is located in Ziyun Getu He National Park in Ziyun county of the Chinese province of Guizhou. [2]
The explored length of the cave increased from 25 km (16 mi) in 1952 to 100 km (62 mi) by 1968. It was the first cave in the world where the explored length reached 100 km. Until the linkage of the Flint Ridge Cave System to the Mammoth Cave System was discovered in 1972, it was believed to be the largest cave system in the world. [2]
Tourists inside the cave. The park's mission is stated in its foundation document: [7] The purpose of Mammoth Cave National Park is to preserve, protect, interpret, and study the internationally recognized biological and geologic features and processes associated with the longest known cave system in the world, the park’s diverse forested karst landscape, the Green and Nolin rivers, and ...
The world's longest cave system just got a little bit longer, as Kentucky's Mammoth Cave National Park announced 6 more miles have been discovered.
The world's largest cave is so big that a Boeing 747 could fly through its largest cavern unscathed. It could fit a Manhattan city block complete with 40-story skyscrapers and has its own weather ...
Located near the Laos–Vietnam border, Hang Sơn Đoòng has an internal, fast-flowing subterranean river and the largest cross-section of any cave, worldwide, [2] [3] believed to be twice that of the next-largest passage. It is the largest known cave passage in the world by volume. Its name, Hang Sơn Đoòng, is variously translated from ...
This list of longest caves by country includes the longest-known natural cave per country. To be listed, the caves must have been surveyed to cave surveying standards , and the results published in reliable sources.