Biseulsan is a mountain located in South Korea, known for its stunning natural beauty and diverse ecosystems. It stands at an elevation of 1,267 meters and is part of the Sobaek Mountain Range. The area is popular for hiking, offering various trails that cater to different skill levels, making it accessible for both beginners and experienced hikers. The mountain is also home to several unique plant and animal species, contributing to its ecological significance. Biseulsan is particularly famous for its vibrant autumn foliage, attracting many visitors who come to enjoy the breathtaking views and serene environment during the fall season.