Hallasan National Park is a true gem located in the heart of Jeju Island in South Korea. This unique nature reserve is situated within the Jeju City area and attracts travelers with its pristine beauty and rich ecosystem. At the center of the park stands the majestic extinct volcano Hallasan, which proudly holds the title of the country's highest mountain, reaching an elevation of approximately 1,950 meters above sea level.

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The park covers an impressive area of approximately 153 square kilometers. The landscape of Hallasan National Park is incredibly picturesque: more than 360 smaller volcanic peaks, known as "oreums," are scattered around the main volcanic summit. These unique geological formations create a one-of-a-kind panorama and make walking along the park's numerous trails particularly exciting.
Hallasan National Park is not only home to impressive volcanic landscapes but also a true oasis of biodiversity. Over 1,800 plant species and more than 4,000 animal species have been recorded here, including a vast number of insects, many of which are endemic—meaning they are found only in this area. Due to its exceptional natural value, the park is included in the UNESCO Biosphere Reserve network and recognized as a World Heritage site, emphasizing its global importance for preserving unique ecosystems and making it a must-visit for nature lovers.