Budou no Oka Natural Onsen Tenkū-no-yu

557. Budou no Oka Natural Onsen Tenkū-no-yu, Koshu, Yamanashi Onsen near vineyards for 760. Operating hours are listed as 08:00 to 22:00. They stamp the Yamanashi 100 Onsen book, but the stamp is badly worn. Bath photos are from the internet, match the real thing. 1. Outdoor bath with a view of the city and mountains. Good view standing, but sitting in the bath it's lost, and fence bars start to obstruct it. Clear water, temperature around 40-41. 2. Indoor area. View through glass of the city and mountains when standing; sitting, the view disappears due to fogging on the lower part of the windows. Breathing inside is fine. 2.1. Bath with clear water, temperature around 40. 2.2. Bubble bath with three jet loungers. Clear water, temperature around 40. 13.05.2025