Jejueco Suites & Tours News ViewSubjectHallasan National Park Photos2016-07-01 19:24:26NameJejueco Hallasan National Park Photos As we already reported, volcanoes and lava tubes on Jeju Island were registered as World Natural Heritage. One of the heritage sites is Mt. Halla, it is a gently sloping shield volcano and the 1,950-meter high peak in the center, Natural Monument No. 182. Tag List -Hallasan National Park PhotosJejueco 2016-07-01