A Showcase of Kiso Cypress from a 1937 Exposition
The Sozanso (蘇山荘) is a building of Kiso timber built as the Japanese wing of an exposition guest house of 1937 in Tokugawacho, Higashi Ward, Nagoya City, Aichi Prefecture, and was registered as a Registered Tangible Cultural Property (structure) on October 7, 2014 (Agency for Cultural Affairs).

The Agency records a single-storey timber building with a tiled roof and a building area of 147 square metres, moved here in 1937 and altered in 2004; registration number 23-0408.
A Guest House Showcasing Kiso Timber
Sozanso was built as the Japanese wing of the guest house of the Nagoya Pan-Pacific Peace Exposition to promote Kiso timber, and was moved here after the exposition closed (Agency for Cultural Affairs). An eight-mat room lies south of the entrance with its carriage porch, a kitchen and service rooms to the north, and three guest rooms at the back to the west.
Fine Kiso timbers such as hinoki cypress and sawara are used lavishly, setting off the interior design (Agency for Cultural Affairs).
Why It Was Registered
The Agency registered it as a model of design.
What to Look For
Look for the interior built lavishly of Kiso hinoki and sawara (Agency for Cultural Affairs).
Visiting
It is owned by Nagoya City (Agency for Cultural Affairs). According to the Aichi Prefecture tourism site, Tokugawaen is open from 9:30 to 17:30 (last entry 17:00), closed on Mondays (open on public holidays) and from December 29 to January 1; admission is 300 yen for adults and free for junior high school students and younger; tel. 052-935-8988. The six registered structures are introduced together on the Tokugawaen page.
Q&A
- When was it built?
- In 1937 (Agency for Cultural Affairs).
- What was it originally?
- The Japanese wing of an exposition guest house.
- What timber is used?
- Kiso hinoki cypress and sawara.
- How are the rooms laid out?
- An eight-mat room by the entrance and three guest rooms at the back.
- When was the Sozanso registered?
- On October 7, 2014 (Agency for Cultural Affairs).
Basic Information
| Name | Sozanso (蘇山荘) |
|---|---|
| Location | 1001 Tokugawacho, Higashi Ward, Nagoya City, Aichi Prefecture |
| Designation | Registered Tangible Cultural Property (Structure) |
| Year Designated | Registered 2014/10/07 (Heisei 26) |
| Quantity | 1 building |
| Dimensions | Single-storey timber, tiled roof, 147 m² |
| Owner | Nagoya City |
| Public Access | Tokugawaen 9:30–17:30, closed Mondays, adults 300 yen (Aichi Prefecture) |
References
- Sozanso (Database of National Cultural Properties, Agency for Cultural Affairs)
- https://kunishitei.bunka.go.jp/heritage/detail/101/00010160
- Tokugawaen (Aichi Samurai Garden site, Japanese)
- https://aichinow.pref.aichi.jp/samurai_garden/spot/detail/01/
Last verified: 2026.10.24