The Manjanggul Lava Tube is a novel attraction when compared with what the other points Jeju island has to offer. Though the lava/rock formations are gorgeous, it is a hard 1km walk to the tip of the tube. Young children and elderly people will see troubles walking on uneven grounds https://jeju-in-summer99999.wssblogs.com/32308134/the-single-best-strategy-to-use-for-jeju-tourist-attraction