onsen balcony king & queen
Onsen · Tokorozawa · Japan
billed as the largest spa entertainment complex in kanto, with multi-tier lava saunas and rooftop outdoor saunas; saunachelin 2025 #3.
what they run
- heat
- Steam
- access
- Walk in
- booking
- walk-in
- who
- mixed
- what to wear
- varies
sources
- SAUNACHELIN 2025 officialchecked 2026-10-11
- Tokyo Weekender on SAUNACHELIN 2025checked 2026-10-11
also in tokyo
- daikokuyu¥900
- kotobukiyu¥950
- minami-aoyama shimizuyu¥1180
- raku spa 1010 kanda¥1290
- sauna & hotel karumaru ikebukuro¥1980
- spa laqua¥2500