Kuju Onsen is a tranquil hot spring resort located in the Kuju Mountains of Oita Prefecture, Japan. Known for its beautiful natural surroundings, it offers visitors a chance to relax in mineral-rich waters that are believed to have healing properties. The area is also famous for its stunning views, especially during the cherry blossom season and autumn foliage. The onsen features various public baths and ryokan (traditional inns) where guests can enjoy the soothing waters. Many facilities provide outdoor baths, allowing visitors to soak while taking in the picturesque landscape. Kuju Onsen is a popular destination for both locals and tourists seeking a peaceful retreat.