Gwongeumseong Fortress is a stone castle from the Goryeo dynasty and is located 800 meters above sea level in Seoraksan National Park. From a distance, Gwongeumseong Fortress looks like a rising peak, while up close, the expansive stone floor and remnants of castle walls become visible. Visitors can access the fortress via hiking trails or by taking a cable car. From the fortress, visitors can enjoy the majestic view of Seoraksan Mountain and the blue waters of the East Sea.