LocationMiyazawa, Hanno, Saitama SaunasHigh-temperature sauna (about 85 °C), salt sauna (about 68 °C) Cold bathYes BathsView-top outdoor bath, high-concentration carbonated spring, lying bath and more
Introduction
Two saunas at different temperatures There is a high-temperature sauna at about 85 °C and a salt sauna at about 68 °C.
The facility recommends alternating between sauna and cold bath.
01 · Saunas
High-temperature sauna and salt sauna A tiered high-temperature sauna and a medium-temperature salt sauna.
The salt sauna 02 · Cold bath
Cold bath A cold bath with large windows.
The cold bath 03 · Outdoor bath
View-top outdoor bath An outdoor bath with views of Lake Miyazawa through the seasons.
The view-top outdoor bath What is kotaiyoku?
Alternating between the sauna and the cold bath.
Miyazawako Onsen Kirari Bettei introduces this way of bathing.
Photos © Miyazawako Onsen Kirari Bettei (official website: “Baths”)
Sources Miyazawako Onsen Kirari Bettei official website: “Baths”
Plan your visit Information on this page may be out of date or contain mistakes. Please always check the official website before you go.
Hours 9:00–23:00 (last entry 22:00)
Has Outdoor bath Hot spring Salt sauna Carbonated bath
Tattoos Not allowed — tattoos or tattoo stickers.
Pay Cash and QR payments at every branch; credit cards and e-money at some branches.
Towels Bring your own, or rent or buy towels there (paid).
Checked against the official website on 30 September 2026
Getting here
埼玉県飯能市大字宮沢27-49 宮沢湖温泉 喜楽里 別邸
Hanno, Saitama, Japan
Show the Japanese address to a taxi driver or ask at the building.
Visit the official websitePrices, bookings and rules are on the facility's own site, often in Japanese