The Kuju Mountains are a prominent mountain range located in Oita Prefecture, Japan. They are part of the larger Aso Kuju National Park and are known for their stunning landscapes, including volcanic peaks and lush forests. The highest peak, Kuju, reaches an elevation of 1,791 meters, making it a popular destination for hikers and nature enthusiasts. The mountains are characterized by their unique volcanic features, including craters and hot springs. The area is also home to diverse flora and fauna, providing opportunities for wildlife observation. The Kuju Mountains are particularly beautiful during the autumn season when the foliage changes color, attracting many visitors.