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Ondsauna سونا by Taro Shimokawa

Ondsauna سونا by Taro Shimokawa is a highly esteemed winner of the very prestigious 2025 د برونز A' Design Award جایزه in د معمارۍ، ودانۍ او جوړښت ډیزاین Competition Category.


برونزمعماري· 2025

Ondsauna سونا

by Taro Shimokawa

Client: Ondpark

د برونز A' Design Award جایزه Winner in معماري Category

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Verified Award Winner

Verify Award Status for #165443

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The Design

About Ondsauna سونا

اونډسونا (Ondsauna) یو سونا ودانۍ ده چې د یوه ځنګل دننه ځای پر ځای شوې ده. عمودي بهرنۍ دیوالونه د سونا خونې شاوخوا کې راټول شوي دي، چې د ونو پورته خوا ودې ته ورته والی لري. یو مارپېچ لار د چت د آرام ځای پورې رسېږي. د ننوتلو ځای د ځمکې له سطحې ۲۵۰ ملي متره پورته دی، د یخې ډوبېدنې پلیټ فارم ۱۰۰۰ ملي متره او چت ۳۲۵۰ ملي متره ارتفاع لري، نو له سونا څخه یخې ډوبېدنې ته او بیا خلاصې هوا ته حرکت په عمودي ډول ترسره کېږي. یو غیرمنظم څو ضلعي پلان او منفرح‌الزاویه بنچونه د لید کرښې لارښوونه کوي او لیدونکو ته وړتیا ورکوي چې د خپلې مینځګړتوب کچه وټاکي.

The Recognition

About the د برونز A' Design Award جایزه

Ondsauna سونا د برونز A' Design Award جایزې ګټونکی دی، یوه ډېره ویاړلې پېژندنه چې غوره ډیزاینونو ته ورکول کېږي چې په خلاقیت، هوښیارۍ او زیرکتیا ځانګړي دي. د برونز ګټونکي ډېر ماهر او په حیرانوونکي ډول خلاقي آثار دي چې د خپلو ډیزاینرانو پراخ تجربه، تخیل او چارواکتیا تاییدوي. له Ondsauna سونا څخه تمه کېږي چې یو ډېر ارزښتناک، ستایل شوی او ګران شی وي چې په پام وړ ډول مسلکي او نوښتګر دی. دا د برونز A' Design Award جایزې ګټونکی ډیزاین په هنر، ساینس، ډیزاین او ټیکنالوژۍ کې غوره کړنلارې یو ځای کوي او د جزیاتو ته د پاملرنې له امله غوره دی. Ondsauna سونا اړتیاوې په ښکلي ډول پوره کوي، هیلو ته رسېږي، احساسات ځانته ملګري کوي او لیوالتیا راپاروي.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties
Trees grow endlessly upward, a concept reflected in the vertical exterior walls clustered around the sauna room. A spiraling path leads upward to a rooftop relaxation space, mirroring the building's form. The sauna entrance is at GL+250, the cold plunge deck at GL+1000, and the rooftop at GL+3250, so the transition from sauna to cold plunge to open air follows a vertical flow. Viewing the forest at treetop height allows one to share in its growth rhythm.
Dimensions & Packaging
The irregular plan was chosen to allow the passage and expansion of the line of sight and to adjust the degree of intimacy, which was rationally solved by the 150mm CLT floor slab. The elimination of beams has eliminated non-perpendicular joints in the structure, contributing to labor savings in site work. The rational walls of the scale module are discretely assembled and the CLT slab connects them. This structural form itself can be described as a sociopetal structure.
Production Technology
An irregular polygonal floor plan guides sightlines, creating varied scenic views. Research shows conversations are twice as frequent at 90 degrees versus side-by-side. Here, strangers sit together, so we chose obtuse-angled benches to balance interaction and privacy, encouraging conversation without intrusion. Varied seating allows for different levels of interaction, while the overall arrangement around a fire fosters a shared experience.
Inspiration
In a sauna, strangers sit nearly naked in close proximity, creating potential intimacy. Yet in Japan, public saunas haven’t fostered this sense of community. By aligning with Japan’s unique sense of closeness, we aim to create a sociopetal space, encouraging shared understanding without forced intimacy. “Non-intrusive” walls balance connection and separation; their verticality resonates with the forest, while their spacing draws nature in and modulates closeness among neighbors.

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