Experience an authentic Finnish sauna at a log hotel nestled in the forest
Hokkaido Iwamizawa City
"Log Hotel Maple Lodge" is a luxurious 15-room log hotel surrounded by the lush forests of Iwamizawa. It values Finland's traditional sauna culture, and its authentic Finnish sauna set in the open-air area is the main highlight. Self-löyly is available, and the steam and waves of heat that spread the moment water is poured onto the hot sauna stones create a blissful experience for sauna enthusiasts. A particularly noteworthy feature is the "natural spring cold bath," which uses the spring water as is. This cold spring, rich in baking soda minerals, has a near-single-digit chill with a smooth, almost viscous feel, gently enveloping the entire body. A relaxing outdoor bath in the quiet forest and crisp air is truly the ultimate time to unwind.
TypeNatural Hot Spring
Sodium bicarbonate cold mineral spring. You can enjoy it in the indoor bath made with cypress and granite, as well as in the open-air bath where you can feel the breath of the forest. Rich in baking soda components, it is known as a beauty bath that is said to be excellent for improving skin and relieving fatigue.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity10people
An authentic Finnish sauna standing in the open-air area. Self-löyly is available, allowing you to adjust the humidity to your liking. In the quiet room with classical music playing, you can enjoy a luxurious sweat while gazing out at the forest scenery.
Water QualityHot Spring Water
Capacity4people
A luxurious cold bath that uses the natural spring water, a cold mineral spring, as is. It has an intense chill of around 14°C, yet its smooth feel, thanks to the baking soda components, is distinctive. It quickly tightens the body after sauna use while leaving the skin feeling silky smooth.
Closed Days: None
183 Koyocho, Iwamizawa, Hokkaido 068-3188
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
Experience an authentic Finnish sauna at a log hotel nestled in the forest
Hokkaido Iwamizawa City
"Log Hotel Maple Lodge" is a luxurious 15-room log hotel surrounded by the lush forests of Iwamizawa. It values Finland's traditional sauna culture, and its authentic Finnish sauna set in the open-air area is the main highlight. Self-löyly is available, and the steam and waves of heat that spread the moment water is poured onto the hot sauna stones create a blissful experience for sauna enthusiasts. A particularly noteworthy feature is the "natural spring cold bath," which uses the spring water as is. This cold spring, rich in baking soda minerals, has a near-single-digit chill with a smooth, almost viscous feel, gently enveloping the entire body. A relaxing outdoor bath in the quiet forest and crisp air is truly the ultimate time to unwind.
TypeNatural Hot Spring
Sodium bicarbonate cold mineral spring. You can enjoy it in the indoor bath made with cypress and granite, as well as in the open-air bath where you can feel the breath of the forest. Rich in baking soda components, it is known as a beauty bath that is said to be excellent for improving skin and relieving fatigue.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity10people
An authentic Finnish sauna standing in the open-air area. Self-löyly is available, allowing you to adjust the humidity to your liking. In the quiet room with classical music playing, you can enjoy a luxurious sweat while gazing out at the forest scenery.
Water QualityHot Spring Water
Capacity4people
A luxurious cold bath that uses the natural spring water, a cold mineral spring, as is. It has an intense chill of around 14°C, yet its smooth feel, thanks to the baking soda components, is distinctive. It quickly tightens the body after sauna use while leaving the skin feeling silky smooth.
Closed Days: None
183 Koyocho, Iwamizawa, Hokkaido 068-3188
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