Chomeiji, on the Lake Biwa shore, Omihachiman, Shiga Prefecture
Chomeiji Onsen Tenba-no-Yu
A distinctive lakeside option in Omihachiman for later opening hours, included towel rental, a place to relax by Lake Biwa and limited tattoo-friendly evening hours. For the lowest price or more transparent source-water data, Gamō-no-Yu may suit better.
Check before bathing
- Opening hours
- Monday–Thursday 10:00–23:00; Friday, Saturday, Sunday and public holidays 10:00–24:00. A full-day maintenance closure was announced for 16–17 September 2026; those dates have passed, so check for newer notices.
- Tattoo policy
- Tattoos are allowed only during designated late hours: Monday–Thursday 21:00–23:00 and Friday, Saturday, Sunday and public holidays 22:00–24:00. Tattoos are not permitted at other times.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- Chomeiji Onsen, described by the facility as a natural radium spring; an individual source name is not published.
- Spring classification
- The facility and Omihachiman tourism pages call it a natural radium hot spring, but the current public text reviewed does not provide a formal analysis classification.
- pH
- Not published in the current material summarized here.
- Flow rate
- Not published in the current material summarized here.
- Water handling
- The facility lists seven types of baths and highlights radium spring water. Current first-party text does not publish a source name, source temperature, pH, yield or complete pool-by-pool details for water addition, heating, circulation and disinfection. The seven baths are not assumed to share one natural-spring supply or source-flow method.
Bathing indications
The facility promotes the spring as its main feature. No unverified health claims are repeated, and no medical treatment is promised.
Current main first-party pages do not provide complete treatment conditions for each of the seven baths.
Adult admission is ¥1,200 Monday–Friday and ¥1,500 on weekends and public holidays; towel rental is included. Children under 3 may use only the baby bath, not the shared pools.
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.
