Hosokawa Villa & Onsen Estate

Set within approximately 3.8 hectares of wooded grounds, the former Hosokawa Family Villa combines a distinguished history, traditional architecture and private onsen facilities in Akakura’s established mountain-resort setting. The property includes three separate units of onsen rights, making its hot-spring assets a central part of this substantial estate’s appeal.

With 38,052.89 m² of land and 700.81 m² of floor area, the property brings together an extensive natural setting, a characterful historic villa and a close connection to both Akakura’s hot-spring heritage and its skiing tradition.

Onsen Heritage and Hot-Spring Rights

The estate includes three separate units of onsen rights and existing onsen baths within the property. These are a defining feature of the offering, connecting the villa directly with the hot-spring culture that first established Akakura as a mountain retreat.

The prospect of bathing within a wooded estate adds an intimate dimension to the property’s appeal. Alongside skiing and the surrounding mountain landscape, the onsen facilities provide a compelling focus for considering the villa’s restoration and future use.

The existing baths and associated infrastructure will require assessment as part of any renovation. Full details of the three units of onsen rights, including supply arrangements and applicable terms, are available for review during the purchase process.

A Distinguished History

The villa is associated with Marquis Moritatsu Hosokawa (1883–1970), the 16th head of the Hosokawa family and a prominent art collector and cultural patron. His legacy is closely connected with the Eisei Bunko collection, which preserves important artworks and historical materials associated with the family.

Established during the Taishō period, the Hosokawa villa forms part of a chapter in Akakura’s history when the village attracted aristocrats, writers and artists seeking a retreat in the mountains. Imperial skiing visits brought further attention to the area, helping establish its reputation as a destination for both summer escapes and winter recreation.

The property’s combination of family history, onsen facilities and extensive grounds reflects this tradition of mountain leisure and retreat.

The Existing Villa

The building combines traditional Japanese interiors with Western-style rooms and architectural details. Tatami rooms, shoji screens and painted sliding partitions sit alongside timber-panelled spaces and substantial fireplaces. Detailed wooden ceilings, long internal passageways and the prominent exterior chimney contribute to its individual character.

Interconnected Japanese rooms and sitting areas arranged around stone and brick hearths give the interiors considerable atmosphere. Windows frame the surrounding trees, maintaining a strong connection between the house and its woodland setting.

The villa is in worn condition and requires substantial renovation. Its surviving architectural features provide a starting point for a purchaser interested in exploring a sympathetic restoration. Any future use would need to be informed by a detailed assessment of the building, its services and applicable requirements.

Extensive Grounds and Nearby Skiing

The 38,052.89 m² landholding—approximately 11,511 tsubo—is another defining feature of the estate. Mature trees, garden areas and a creekside setting surround the villa, while forest and ski-hill outlooks place it firmly within Akakura’s mountain landscape.

The scale of the grounds creates a sense of separation from the surrounding resort, with the ski hill listed approximately 400 metres away. This combination of woodland, nearby skiing and onsen bathing gives the property appeal across the seasons.

For a buyer prepared to undertake a substantial restoration, the former Hosokawa Family Villa offers a distinctive combination of historical character, extensive land and valuable hot-spring assets in an established resort setting.

Property Features

• Three separate units of onsen rights
• Existing onsen baths within the property
• Land area: 38,052.89 m² / approximately 3.8 hectares / 11,511 tsubo
• Floor area: 700.81 m²
• Former Hosokawa family villa with Taishō-period origins
• Traditional Japanese rooms, shoji screens and painted sliding partitions
• Detailed timber ceilings and Western-style sitting rooms
• Stone and brick fireplaces
• Extensive wooded grounds and garden areas
• Creekside setting with forest and ski-hill outlooks
• Approximately 400 metres to the ski hill
• Substantial renovation required

Please contact Yamazanmai for further information or to arrange a viewing.