Yunomoto Onsen
湯之元温泉ゆのもとおんせん
Day Use
YesAdults 650 yen, children (age 3-12) 300 yen. Last entry 20:30.
Bathing & Water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Cold water plunge bath, typically used after sauna
Uses natural hot spring water
Capabilities
Shared bathing area for all genders
Policies & Services
Allows entry with visible tattoos
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
Relaxation space for after bathing
On-site or nearby parking available
Highlights
Drinking SpringPrograms
About
Yunomoto Onsen has been drawing bathers since 1902, and claims to be Japan's oldest inn built on a high-concentration carbonated spring. The bathhouse has three options: a warm indoor bath whose water turns golden as the cold spring is heated, an unheated indoor cold carbonated bath, and a small open-air rotenburo with a gentler carbonated soak. A sauna rounds out the lineup. The spring water is also sold for drinking at the front desk. Regulars tend to be locals, so the baths can fill up on weekday afternoons.
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Last updated June 25, 2026