740. Kotobuki Onsen, Matsuyama A sento with onsen water for ¥460. You need to bring your own soap or buy it there. The stated hours are 07:30 to 23:00. The bath photos from the internet match. Indoor area. The air inside is comfortable. 1. Main semicircular bath. The water is clear, temperature 42.5. There are three jet streams. 2. Area with jets and bubbles. Electric bath. The water is clear, temperature 40. 3. Two saunas. 4. Cold bath. 07.01.2026
Day Use
Yes07:30–23:00
¥460
Bathing & Water
Indoor BathYes
Enclosed indoor bathing area
SaunaYes
Dry heat sauna room
Cold BathYes
Cold water plunge bath, typically used after sauna
OnsenYes
Uses natural hot spring water
Policies & Services
WashingYes
Shower, wash stations, soap and shampoo provided
bring your own or buy on site
Highlights
Electric Bath
Jet Bath