Finnish Sauna
90°CSauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Attached to a roadside station! Enjoy a variety of saunas and a spacious cold plunge bath
Oita Saiki City
A bathing facility located within Michi-no-Eki Yayoi in Saiki City, Oita Prefecture. The Western-style and Japanese-style baths alternate by day between men and women, offering different saunas in each. The Western-style bath features a genuine Finnish sauna with automatic löyly and a far-infrared sauna, while the Japanese-style bath includes a salt sauna. There are cold plunge baths both indoors and outdoors, and the open-air bath area is currently being used as a spacious outdoor cold plunge. Some sections have bubblers so you can cool down thoroughly. Totonou chairs are plentiful, making this an ideal sauna environment to relieve fatigue from driving.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Sauna TypeSalt Sauna
Stove TypeInfrared Heater
Sauna TypeDry Sauna
Stove Typeelectric
Capacity9people
A far-infrared sauna installed in the Western-style bath, available to men on even-numbered days and to women on odd-numbered days. It reaches about 90°C, providing solid heat so you can comfortably sweat while watching TV.
Sauna TypeDry Sauna
Stove Typeelectric
Capacity10people
A genuine sauna in the Western-style bath equipped with an iki stove. In a dim meditation space with indirect lighting, regular automatic löyly provides substantial humidity and heat.
Sauna TypeDry Sauna
Stove Typeelectric
Capacity9people
A salt sauna in the Japanese-style bath, available to men on odd-numbered days and to women on even-numbered days. Set at a relatively high temperature of about 83°C, the room contains large rock salt blocks for a deep sweat and expected skin-beautifying effects.
Water QualityTap Water
Capacity15people
Water QualityTap Water
Capacity10people
Water Qualitytap
Capacity4people
An indoor cold plunge bath located right next to the sauna room. With a mild temperature of about 18–20°C, it offers excellent access and flow from the sauna.
Water Qualitytap
Capacity10people
The entire open-air bath area is opened as a cold plunge bath. You can cool down at leisure in the spacious outdoor setting, and some sections are equipped with bubblers (air bubbles), making the perceived temperature feel lower.
Closed Days: None
〒876-0112 Oaza Kamikogura 898-1, Yayoi, Saiki City, Oita Prefecture, Japan
Gender Access
Gender Separated

Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more
Attached to a roadside station! Enjoy a variety of saunas and a spacious cold plunge bath
Oita Saiki City
A bathing facility located within Michi-no-Eki Yayoi in Saiki City, Oita Prefecture. The Western-style and Japanese-style baths alternate by day between men and women, offering different saunas in each. The Western-style bath features a genuine Finnish sauna with automatic löyly and a far-infrared sauna, while the Japanese-style bath includes a salt sauna. There are cold plunge baths both indoors and outdoors, and the open-air bath area is currently being used as a spacious outdoor cold plunge. Some sections have bubblers so you can cool down thoroughly. Totonou chairs are plentiful, making this an ideal sauna environment to relieve fatigue from driving.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Sauna TypeSalt Sauna
Stove TypeInfrared Heater
Sauna TypeDry Sauna
Stove Typeelectric
Capacity9people
A far-infrared sauna installed in the Western-style bath, available to men on even-numbered days and to women on odd-numbered days. It reaches about 90°C, providing solid heat so you can comfortably sweat while watching TV.
Sauna TypeDry Sauna
Stove Typeelectric
Capacity10people
A genuine sauna in the Western-style bath equipped with an iki stove. In a dim meditation space with indirect lighting, regular automatic löyly provides substantial humidity and heat.
Sauna TypeDry Sauna
Stove Typeelectric
Capacity9people
A salt sauna in the Japanese-style bath, available to men on odd-numbered days and to women on even-numbered days. Set at a relatively high temperature of about 83°C, the room contains large rock salt blocks for a deep sweat and expected skin-beautifying effects.
Water QualityTap Water
Capacity15people
Water QualityTap Water
Capacity10people
Water Qualitytap
Capacity4people
An indoor cold plunge bath located right next to the sauna room. With a mild temperature of about 18–20°C, it offers excellent access and flow from the sauna.
Water Qualitytap
Capacity10people
The entire open-air bath area is opened as a cold plunge bath. You can cool down at leisure in the spacious outdoor setting, and some sections are equipped with bubblers (air bubbles), making the perceived temperature feel lower.
Closed Days: None
〒876-0112 Oaza Kamikogura 898-1, Yayoi, Saiki City, Oita Prefecture, Japan
Gender Access
Gender Separated

Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more