Ondsauna Sauna
Taro SHIMOKAWA
Architecture, Building and Structure Design Ondsauna Sauna by Taro SHIMOKAWA Ondsauna is a sauna building placed within a forest. Vertical exterior walls are clustered around the sauna room, echoing the upward growth of trees. A spiraling path leads to a rooftop relaxation space. The entrance sits 250 millimeters above ground level, the cold plunge deck at 1000 millimeters and the rooftop at 3250 millimeters, so the movement from sauna to cold plunge to open air is vertical. An irregular polygonal plan and obtuse-angled benches guide sightlines and let visitors choose their level of interaction.
Bronze A' Design Award Winner
Ondsauna Sauna by Taro SHIMOKAWA is a highly esteemed winner of the A' Architecture, Building and Structure Design Award. Ondsauna Sauna earned the Bronze A' Design Award in 2025 and is showcased on Architecture Award Winners among other remarkable designs. Explore the details of the project, discover other works by Taro SHIMOKAWA and see why Ondsauna Sauna design stands out from its competition.
About Ondsauna
Architecture, Building and Structure Design Ondsauna Sauna by Taro SHIMOKAWA Ondsauna is a sauna building placed within a forest. Vertical exterior walls are clustered around the sauna room, echoing the upward growth of trees. A spiraling path leads to a rooftop relaxation space. The entrance sits 250 millimeters above ground level, the cold plunge deck at 1000 millimeters and the rooftop at 3250 millimeters, so the movement from sauna to cold plunge to open air is vertical. An irregular polygonal plan and obtuse-angled benches guide sightlines and let visitors choose their level of interaction. Ondsauna earned the Bronze A' Design Award, a respected level of recognition in the A' Design Award & Competition. Bronze A' Design Award works combine new concepts with skillful innovations, and are selected by a grand jury, as valuable entries in their respective categories, after fair, just, meritocratic and independent academic review, where nominated projects are voted following blind peer-review process on pre-established, publicly-available evaluation criteria.
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