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 originally living in cold and hot climates use the mountain as their habitat. There are a total of 160 bird species that use Hallasan as a habitat. Only 19 species are considered as a natural monument and protected by the government. Ravens are commonly seen in the hiking trail. A total of 3,315 insect species live on the mountain. 254 spider species also live there. A study found that spider habitat is concentrated more on the north side of the mountain. Ticks live on the mountain and gave lots of damage to Jeju residents a long time ago. The damage