I always visit this day spa whenever I am in need of hot spring. The place is huge and very stylish.

About:

Tonbo-no-yu is a popular hot spring facility in Karuizawa, Japan, known for its relaxing atmosphere and rejuvenating baths. Visitors can enjoy various indoor and outdoor baths, as well as sauna facilities. The onsen also offers massage services and relaxation areas to unwind after a day of exploring the area. It's a great spot to chill out and soak away your worries in a serene setting.