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Hallasan (한라산) is the highest mountain in South Korea, standing at 1,947 meters (6,388 feet). It’s a shield volcano located on Jeju Island, known for its stunning scenery, rich biodiversity, and cultural significance. The mountain is a UNESCO Biosphere Reserve and attracts hikers from all over, with several trails leading to its summit, where you can enjoy panoramic views. Hallasan is also a central part of Jeju’s identity, often depicted in local myths and legends.