Gosu Cave, Show cave in Danyang, South Korea
Gosu Cave is a limestone cave in Danyang, North Chungcheong Province, formed in the Ordovician Makdong Limestone of the Joseon Supergroup. Its main passage runs about 1,200 m, with a total known length of 5.4 km, and visitors walk 1.7 km of metal walkways rising 50 m. The upper Great Plaza holds a row of stalactites about 10 m long, and Lion Rock stands as the cave's best-known formation.
The cave was discovered in the early 1970s and revealed stone tools at its entrance showing that people lived in the area during prehistoric times. These findings suggest humans used this location long before modern exploration began.
The name Gosu means "field of tall reeds", after the tall grasses that once covered the area around the cave. Inside, formations carry popular names such as Lion Rock, Octopus Rock, Eagle Rock and Virgin Mary Rock; Lion Rock is regarded as the cave's guardian.
The cave stays cool throughout the year, making visits comfortable even on hot days outside. The accessible area has railings, lighting, and steady pathways to help you walk safely through the passages.
The path through here uses multi-level spiral staircases and narrow passages with steep climbs, creating a physically demanding experience. This type of underground adventure differs from caves that simply feature large open chambers.
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