Osaek Jujeongol Valley in Seoraksan Mountain is renowned for its vibrant autumn maple leaves. The area features a 7-kilometer trail stretching from Oksaek Mineral Spring to Yongsopokpo Falls, accessible to all visitors. The valley boasts stunning scenery, with a mix of valleys and rock formations. When the autumn leaves begin to change colors, the landscape turns into a breathtaking masterpiece.