Mt. Usu is an active volcano located in the south of Lake Toya. By taking a ropeway, you can enjoy to view the spectacular landscape of steaming crater and unique geographical forms at the observatory洞爺湖の南に位置する活火山、有珠山。いまも水蒸気を上げる火口や火山特有の地形、展望台からの絶景を大型ロープウェイで登頂し、楽しむことができる