Hallasan Hallasan Hallasan is a shield volcano on Jeju Island of South Korea. It is the highest mountain in South Korea. The area around the mountain is a designated national park, the Hallasan National Park ("Hallasan Gungnip Gongwon"/한라산국립공원/). Hallasan is commonly considered to be one of the three main mountains of South Korea, along with Jirisan and Seoraksan. Hallasan is the highest mountain in South Korea and is worshipped by people because they think that gods and spirits live on it. Alternate English names for the mountain include Hanla Mountain or Mount Halla and older English sources refer to the peak
Hallasan in Jeju Island and 6 of them can be found in the natural reserve area of Hallasan. Also, about 50 kinds of special plants are distributed in Jeju Island, especially in the highlands of Hallasan. Because of the geographical character of the island, there are many subspecies due to isolation even though they are the same species. Also, Hallasan is a place where the polar animal and the tropical animal coexist due to the difference of the climate zone according to the elevation. The mammals of Jeju Island are distributed among 5 orders and 114 families and 5 species .