Hallasan National Park, located in the heart of Jeju Island, South Korea, is home to Hallasan Mountain, the highest peak in South Korea at 1,947 meters above sea level. This UNESCO-designated Biosphere Reserve and World Heritage Site is renowned for its stunning natural landscapes, rich biodiversity, and cultural significance. The park offers a paradise for hikers, nature lovers, and photographers, with a variety of well-maintained trails such as the Seongpanak Trail and Gwaneumsa Trail, both leading to the summit and offering breathtaking views of Jeju’s volcanic terrain, lush forests, and crater lake, Baengnokdam. Hallasan is especially captivating during each season—spring brings vibrant wildflowers, summer reveals dense greenery, autumn paints the park in fiery colors, and winter transforms the landscape into a serene snow-covered wonderland. In addition to hiking, visitors can explore unique lava formations, rare plant species, and endemic wildlife found only in this region. Easily accessible from Jeju City, Hallasan National Park is a must-visit destination for eco-tourism, hiking adventures, and scenic exploration. Whether you’re seeking a challenging climb or a peaceful nature walk, this natural treasure offers a truly unforgettable experience on Jeju Island.