Ultra Trail Jeju
Jejudo is a volcanic island which is east to cost 73km, south to north 31km and Mt.Halla is standing in the middle of the island.Jejudo is called ‘The Volcanic Museum’ since it has unique and various volcanic terrain.
There are big and small 368 oreums(satellite cone) on the island and about 160 volcanic caves are all over the island. It is very rare case that these many satellite conesand caves in a small island.
Ultra Trail Jeju-http://www.ultratrailjeju.com
Entry pp from R