JP / OPEN NUDITY
Mizunashi Kaihin Hot Spring
A natural seaside open-air bath that appears for a few hours around low tide. Hokkaido's official tourism site lists separate changing rooms and directs visitors to Hakodate City's tide schedule.
OPEN-AIR NUDITY CONTEXT — This is a non-sexual place listing, not permission to be nude outside its designated or documented setting. Check the official source, local signage and current rules before visiting.
LOCAL NOTE — Bathing hours change with the tide. Check Hakodate City information and on-site rules.
LOCAL NOTE — Bathing hours change with the tide. Check Hakodate City information and on-site rules.
- Country
- Japan / Hakodate
- Category
- OPEN NUDITY
- Context
- naturism
- Listing status
- ONGOING
- Relation
- ADJACENT
- Age rule
- Non-sexual coastal hot spring; tide times and posted bathing rules apply
- Participation
- participate
- Male undress
- optional
- Female side
- mixed
- Sexual context
- No
- Source quality
- official
- Map precision
- region
- Open air
- Yes
- Nudity setting
- OPEN AIR ONSEN
- Nudity rule
- CHECK LOCAL RULES
- Nudity evidence
- ONSEN CUSTOMARY
- Verified / reviewed
- 2026-08-14