Iiyama Cultural Hall "Nachura"

Japan Nagano Iiyama
© Mitsumasa Fujitsuka
Located in front of Hokuriku Shinkansen (bullet train) Iiyama Station (opened in 2015), this complex incorporates multiple halls and facilities for culture and community interaction.
Iiyama, located in a very snowy area, has historically been built around roofed arcade-like spaces known as gangi, and these gangi have linked the town's various functions and given it a lively atmosphere. Inspired by gangi, we connected two halls and a facility for multi-generational interaction with a linear, alley-like indoor space, which we named the nakamichi (lit. "inside road").
The roof of the nakamichi is supported by a mixed-material structure comprising both iron and wood frames, and the soft, warm space consisting of local wood, a moist floor reminiscent of soil, and washi paper handmade by local artisans produces an atmosphere contrasting with conventional box-like public facilities. It serves as a vibrant hub for community exchange.
The overall form resembles a low mountain, with a façade of COR-TEN® steel and Japanese larch wood, and in conjunction with the forested mountain behind it, provides a contrast to the dry, abstract quality of the Shinkansen that runs in front of it.
Architectural design: Kengo Kuma and Associates
Structural design: Ejiri Structural Engineers
Facility design: Kankyo Engineering
Constructor: Shimizu Corporation