Hokkaido Ballpark F Village, Kitahiroshima, Hokkaido
tower eleven onsen & sauna
A natural hot spring with a view into the ballpark, plus a swimsuit area where friends or couples can share the sauna. It makes most sense as part of an F Village visit; the current official sources disagree on the spring classification, and pool-by-pool water treatment is not fully published.
Facility photos
Check before bathing
- Tattoo policy
- Tattoos are restricted unless fully covered. In the swimsuit area, use swimwear, sauna wear or a tattoo cover; elsewhere, a cover sticker is required. Reception sells cover stickers. Ask the facility if you cannot cover the tattoo completely.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- The spring-bath temperature is not fully published. A listed 16–18°C figure refers to the cold plunge, not the spring source.
- Spring source
- The facility uses a natural hot spring; its individual source name has not been confirmed in the current primary material reviewed.
- Spring classification
- Official sources give conflicting classifications: one lists a simple spring, while another lists a sodium-chloride and bicarbonate spring. This page does not choose between them.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- Official facility and local-government material confirms natural spring water, including in the shared swimsuit area. Pool-by-pool details on dilution, heating, circulation and disinfection are not fully published; free-flowing supply is not confirmed.
Bathing indications
One Hokkaido tourism source lists general bathing indications for a simple spring. Because official classifications conflict, these are not presented as a facility-specific medical claim.
Natural spring water does not by itself mean free-flowing supply. The available current material does not provide a full analysis sheet or treatment details for each pool.
How to read a bath profile
Spring-source temperature and actual bathing temperature are kept separate. Each score is shown independently for comparison rather than collapsed into one overall score.
