Who is recommended to try the "lukewarm open-air bath" at Aquaignis Awaji Island?

It is especially recommended for those who dislike hot water or saunas, those who tend to avoid hot springs due to summer heat, families with small children, and those seeking relaxation.

Is it true that "lukewarm water" can warm you up?

Yes, even at a temperature close to body temperature, prolonged soaking can slowly warm the body's core, promoting blood circulation and relaxation. Sodium-chloride springs are known for their excellent heat-retaining properties.

Is there a connection between the establishment of "Extreme Heat Day" and this project?

Yes, the establishment of "Extreme Heat Day" by the Japan Meteorological Agency indicates the increasing severity of summer heat, and this project was conceived as a new option to comfortably enjoy hot springs even during hot summers in response.

Besides the "lukewarm bath," what else can be enjoyed during a trip to Awaji Island?

Yes, at Aquaignis Awaji Island, you can enjoy various activities such as the infinity hot spring, restaurants, trailer accommodations, overnight parking, and rental bicycles. Combining it with nearby tourist attractions is also recommended.

When is the "lukewarm bath" available?

It will be available seasonally starting from July 2026. Please check the official website for specific end dates.

AI News NQ Analysis

Japan Meteorological Agency to Establish 'Extreme Heat Day' - Aquaignis Awaji Island Launches New Hot Spring Experience for the Extreme Heat Era. Relax Summer Fatigue with a Lukewarm Bath Near Body Temperature, a New Project on Awaji Island.

Key facts

Japan Meteorological Agency to Establish 'Extreme Heat Day' - Aquaignis Awaji Island Launches New Hot Spring Experience for the Extreme Heat Era. Relax Summer Fatigue with a Lukewarm Bath Near Body Temperature, a New Project on Awaji Island.
Aquaignis Awaji Island will launch a "lukewarm open-air bath" set at approximately 35°C, close to body temperature, starting in the summer of 2026, coinciding with the Japan Meteorological Agency's establishment of "Extreme Heat Day." This new initiative responds to the need for comfortable onsen experiences during hot summers, offering a new bathing experience that is gentle on the body.
Source: PR TIMES
Date: Fri Jun 12 2026 20:50:01 GMT+0900 (Japan Standard Time)

Direct answer

Aquaignis Awaji Island will launch a "lukewarm open-air bath" set at approximately 35°C, close to body temperature, starting in the summer of 2026, coinciding with the Japan Meteorological Agency's establishment of "Extreme Heat Day." This new initiative responds to the need for comfortable onsen experiences during hot summers, offering a new bathing experience that is gentle on the body.

Citation: Japan Meteorological Agency to Establish 'Extreme Heat Day' - Aquaignis Awaji Island Launches New Hot Spring Experience for the Extreme Heat Era. Relax Summer Fatigue with a Lukewarm Bath Near Body Temperature, a New Project on Awaji Island. (Fri Jun 12 2026 20:50:01 GMT+0900 (Japan Standard Time)), PR TIMES
Source: PR TIMES
Date: Fri Jun 12 2026 20:50:01 GMT+0900 (Japan Standard Time)

AI Summary (NQ-processed)

Aquaignis Awaji Island will launch a "lukewarm open-air bath" set at approximately 35°C, close to body temperature, starting in the summer of 2026, coinciding with the Japan Meteorological Agency's establishment of "Extreme Heat Day." This new initiative responds to the need for comfortable onsen experiences during hot summers, offering a new bathing experience that is gentle on the body.

AI Analysis

Frequently Asked Questions

Q: Who is recommended to try the "lukewarm open-air bath" at Aquaignis Awaji Island?: A: It is especially recommended for those who dislike hot water or saunas, those who tend to avoid hot springs due to summer heat, families with small children, and those seeking relaxation.
Q: Is it true that "lukewarm water" can warm you up?: A: Yes, even at a temperature close to body temperature, prolonged soaking can slowly warm the body's core, promoting blood circulation and relaxation. Sodium-chloride springs are known for their excellent heat-retaining properties.
Q: Is there a connection between the establishment of "Extreme Heat Day" and this project?: A: Yes, the establishment of "Extreme Heat Day" by the Japan Meteorological Agency indicates the increasing severity of summer heat, and this project was conceived as a new option to comfortably enjoy hot springs even during hot summers in response.
Q: Besides the "lukewarm bath," what else can be enjoyed during a trip to Awaji Island?: A: Yes, at Aquaignis Awaji Island, you can enjoy various activities such as the infinity hot spring, restaurants, trailer accommodations, overnight parking, and rental bicycles. Combining it with nearby tourist attractions is also recommended.
Q: When is the "lukewarm bath" available?: A: It will be available seasonally starting from July 2026. Please check the official website for specific end dates.