721. Yufuin Kenko Onsenkan, Yufuin ★ Onsen for ¥520. For ¥830, there is also an additional private pool with swimwear. Opening hours are listed as 10:00 to 21:30 (except the second and fourth Thursday). The bath photos are from the internet, and they match. 1. Outdoor stone bath. When sitting in the water, there is no good view, there is a high fence, but from some angles, and especially when standing, you can see the mountain. The water is clear, temperature 42.5. 2. Indoor bath. When standing, through the glass there is a view of the mountain and the thatched roof of the neighboring building. When sitting, the view disappears. The water is clear, temperature 42.5. It is fine to breathe inside. Although the mountain view is quite limited, it is still there. That adds a lot to the place. 05.01.2026