Discover the inner beauty of the volcanic island of Jeju.

Jeju Island is a volcanic island formed by underwater volcanic activity that began approximately 1.8 million years ago. The UNESCO World Heritage site, 'Jeju Volcanic Island and Lava Tubes,' is divided into three areas: Hallasan Natural Reserve, Geomunoreum Lava Tube System, and Seongsan Ilchulbong Tuff Cone. It is characterized by its unique and diverse volcanic landscapes, ever-changing climate, and the spectacular distribution of vegetation that unfolds with each season.