Elevation: 1,950 m (6,398 ft)
Hallasan is a shield volcano on Jeju Island of South Korea. Hallasan is the highest mountain in South Korea. The area around the mountain is a designated national park, the Hallasan National Park. Hallasan is commonly considered to be one of the three main mountains of South Korea, with Jirisan and Seoraksan being the other two.
The mountain is home to Gwaneumsa, the oldest Buddhist temple on the island. The temple was originally built during the Goryeo Dynasty. Like many other temples in Korea, Gwaneumsa was destroyed and rebuilt in the 20th century. There is a memorial site outside the temple, remembering the victims of the Jeju uprising that took place between 1948 and 1950. It is one of the most visited places of the island.