Jeju is a volcanic island that was formed from volcanic activities occurring up to relatively recent times. It has well-preserved diverse volcanic landforms and unique geological features which form beautiful natural landscapes and are the source of particular scientific value.
Jeju Island Geopark was confirmed as a Global Geoparks Network member in October, 2010. Jeju Global Geoparks includes nine Geosites: Mt. Hallasan, Manjanggul Lava Tube, Seongsan Ilchulbong Tuff Cone, Seogwipo Formation, Cheonjiyeon Waterfall, the Columnar Joints at Jeju Jungmun Daepo Coast, Sanbangsan Lava Dome, Yongmeori Tuff Ring, and Suweolbong Tuff Ring.
Dimension: 74 km length (East-West), 32 km width (North-South)
Coastline: approximately 418 ㎞ (land: 307 ㎞, insular areas: 111 ㎞)
Area: 1,847 ㎢
Average Annual Temperature: approximately 16 ° C
Population: 570,000 (2010)
Annul Number of Visitors: approximately 7.7 million (2010)
Year of UNESCO World Biosphere Reserves Designation:2002
Year of UNESCO World Heritage Inscription: 2007
Rhododendron mucronulatum var. in Mt. Hallasan
Jusangjeolli Columnar Joints
Seongsan Ilchulbong volcanic cone