Yudalsan Mountain is a prominent peak located on Jeju Island in South Korea. It stands at an elevation of 497 meters and is known for its unique volcanic landscape, which includes various rock formations and lush vegetation. The mountain is a popular destination for hikers and nature enthusiasts, offering scenic views of the surrounding area. The mountain is part of the Hallasan National Park, which is home to diverse flora and fauna. Visitors can explore well-marked trails that lead to the summit, where they can enjoy panoramic vistas of Jeju Island and the nearby ocean. Yudalsan is also significant for its cultural heritage, with historical sites located in its vicinity.