Day Use
YesLast entry is at 21:00, an hour before closing. The bath itself is closed only on the second Tuesday of each month; the ramen counter attached to it is the part that's closed every week on Tuesdays.
Adult admission is 490 yen (ages 7 to 12: 150 yen; ages 3 to 6: 70 yen; under 3: free). Soap and shampoo aren't provided at the wash stations: a 500 yen hand-free set (towel, shampoo, conditioner, body soap, brush) is sold at reception, and towels are also sold individually rather than rented.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Cold water plunge bath, typically used after sauna
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
Welcomes children and families
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
Soap and shampoo aren't provided at the wash stations. Bring your own, or buy a set at reception.
Towels available to rent or borrow
Towels are sold, not lent.
Relaxation space for after bathing
On-site or nearby parking available
Highlights
Jet BathAbout
Yachigashira is a neighborhood bathhouse rather than a resort spa. Indoors there are three tubs at different heats, plus a sauna and a cold bath. Outside, the open-air bath is star-shaped, modeled on Goryokaku (五稜郭), the old fort nearby, and sits under a small pavilion roof. The spring water is salty and iron-tinted, running tea-brown. The building opened in 1953 as a city-run public bath, passed into private hands in 2013 and reopened after a refit, and still runs like a plain neighborhood bathhouse. It sits at the foot of Mt Hakodate (函館山), at the end of the tram line, with no onsen town around it. Bring your own soap and shampoo, or buy a set at the counter; towels are sold here too, not lent.
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Last updated September 3, 2026