![The Manjanggul Lava Tube is located in Gimnyeong-ri, Gujwaeup, Jeju City. It is a UNESCO world heritage site Stock Photo - Alamy The Manjanggul Lava Tube is located in Gimnyeong-ri, Gujwaeup, Jeju City. It is a UNESCO world heritage site Stock Photo - Alamy](https://c8.alamy.com/comp/MN120F/the-manjanggul-lava-tube-is-located-in-gimnyeong-ri-gujwaeup-jeju-city-it-is-a-unesco-world-heritage-site-MN120F.jpg)
The Manjanggul Lava Tube is located in Gimnyeong-ri, Gujwaeup, Jeju City. It is a UNESCO world heritage site Stock Photo - Alamy
![Manjanggul longest lava tube system in the world on the island of Jejudo, UNESCO World Heritage Site, South Korea, Asia - SuperStock Manjanggul longest lava tube system in the world on the island of Jejudo, UNESCO World Heritage Site, South Korea, Asia - SuperStock](https://www.superstock.com/cdn/1890/Comp/1890-11053505.webp)
Manjanggul longest lava tube system in the world on the island of Jejudo, UNESCO World Heritage Site, South Korea, Asia - SuperStock
![Manjanggul Cave | Manjanggul Lava Tube (UNESCO World Natural Heritage) | South Korea Travel・4K HDR - YouTube Manjanggul Cave | Manjanggul Lava Tube (UNESCO World Natural Heritage) | South Korea Travel・4K HDR - YouTube](https://i.ytimg.com/vi/so9-HHh_ZhE/maxresdefault.jpg)