Hi , I ' ll introduce Jeju . Jeju is a volcanic island to see the characteristics of a volcanic terrainand the terrain are part of childhood hasik seen as reincarnation , won a volcano is still a lot of terrain . The length of the axis of the island - shaped 73 ㎞, shortening the length of 31 ㎞ oval . Jeju ' s volcanic geographysieve teuksaekin appear well in more than 400 parasitic volcanoes . Reviews as a result of volcanic activity , most of the volcanic conesformed in a volcanic phase , but the holy mountain , hwasunri layerdeposited layer formed volcanic cone machine with a fly Jimenez step isdissection . Parasitic volcanoes on the island and ' ac ', ' Oreum ', ' bong ' to the call . Representative include ' Seongsan Ilchulbong ' has . AndRepresentative of the island as a place " Cheonjiyeon Waterfall ' has . Length 22 m , width 12 m ( when there are water ) , nail depth 20 m . Jomyeonjil ( 粗 面 质 ) consisting of andesite cliffs are scenic falls in thestrong corn . Waterfall in Jeju as an outstanding gyegokmi was hereleading this chant Castle Valley , subtropical , and other evergreens andferns form a dense forest to dense . It is native to subtropical evergreen defender , especially dampalsu ( 胆 八 树 ) a few trees , it ' s the dampalsuui support system for North Korea in that it is rare when are designated as Natural Monument No . 163 , andstrawberries , songyeopran In addition , the visible ( 松 叶 兰 ) thedistribution of rare plants , such as the whole valley is a protected natural monument No . 379 is enclosed . Jeju , Jeju Island is the only place that holds special and uniqueness . Find all