# Hwanseongul

- **Country:** South Korea
- **Access:** Public tour
- **Length:** 6.2 km
- **Geology:** Cambro-Ordovician limestone
- **Language:** ?
- **Location:** Gangwon-do (South Korea)
- **Translation:** Fairy's cave

Hwanseon Cave (환선굴) is a cave located in Gangwon province, South Korea. == Description == Hwanseon Cave is the longest known limestone cave in Korea, with of known passages and a total suspected length of , of which are visited by over 1 million people per year. In 1966 the South Korea government designated this cave and a neighboring cave not open to the public, Gwaneum cave (관음굴), National Monument 178. Hwanseongul was opened to the public in 1997.

**Source:** https://en.wikipedia.org/wiki/Hwanseon_Cave (Wikipedia, CC BY-SA)