Shirai Seiichi's Only Building in Hokkaido

The Hinoki Shinyaku Rusutsu Mountain Lodge (ヒノキ新薬株式会社ルスツ山寮) is a company retreat of 1972 in Izumikawa, Rusutsu Village, Abuta District, Hokkaido, and was registered as a Registered Tangible Cultural Property (structure) on March 6, 2024 (Agency for Cultural Affairs).

The Agency records a two-storey reinforced-concrete building, partly steel-framed, with a sheet-metal roof, covering 812 square metres; registration number 01-0169.

A Retreat at the Foot of Mt. Shiribetsu

The Rusutsu Mountain Lodge of Hinoki Shinyaku is a company retreat at the foot of Mt. Shiribetsu, designed by Shirai Seiichi (Agency for Cultural Affairs).

A long two-storey block under a low-pitched gabled roof has walls of brick and stone in rich shades, giving it a distinctive look. In the open-height interior, sculptural forms such as a thin cantilevered stair with a landing are placed at key points (Agency for Cultural Affairs).

Why It Was Registered

The Agency registered it as a model of design, the only work by Shirai Seiichi in Hokkaido.

What to Look For

Look for the brick and stone walls in rich shades and the cantilevered stair in the open hall (Agency for Cultural Affairs).

Visiting

It is a company retreat, and no official information on visiting was found.

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Q&A

QWhen was the lodge built?
AIn 1972 (Agency for Cultural Affairs).
QWho designed it?
AShirai Seiichi.
QWhy is it valuable?
AIt is Shirai Seiichi's only work in Hokkaido.
QHow is Izumikawa read?
AI-zu-mi-ka-wa, according to the Japan Post postcode data.
QWhen was the Hinoki Shinyaku Rusutsu Mountain Lodge registered?
AOn March 6, 2024 (Agency for Cultural Affairs).

Basic Information

NameHinoki Shinyaku Rusutsu Mountain Lodge (ヒノキ新薬株式会社ルスツ山寮)
Location645 Izumikawa, Rusutsu Village, Abuta District, Hokkaido
DesignationRegistered Tangible Cultural Property (Structure)
Year DesignatedRegistered 2024/03/06 (Reiwa 6)
Quantity1 building
DimensionsTwo-storey reinforced concrete, partly steel, sheet-metal roof, 812 m²
OwnerHinoki Shinyaku Co., Ltd.
Public AccessNo official visiting information

References

Hinoki Shinyaku Rusutsu Mountain Lodge (Database of National Cultural Properties, Agency for Cultural Affairs)
https://kunishitei.bunka.go.jp/heritage/detail/101/00014704

Last verified: 2026.10.18