The 1896 Tokyo residence of Iwasaki Hisaya, son of Mitsubishi's founder, designed by Josiah Conder: a two-storey wooden Western house with Jacobean details, a Swiss-chalet-style billiard house, and a Japanese wing whose sliding doors were painted by Hashimoto Gaho. The buildings are Important Cultural Properties.
- Address
- 1 Chome-3-45 Ikenohata, Taito City, Tokyo 110-0008, Japan
- Hours
- 9:00-17:00 (last entry 16:30); closed 29 Dec-1 Jan (tokyo-park.or.jp, 2026)
- Best time to go
- Morning, Afternoon · About 1 h
- Price
- JPY 400, 65+ JPY 200; free on 4 May and 1 Oct (tokyo-park.or.jp, 2026)
- Price level
- JPY
- Free entry
- Greenery Day (4 May) and Tokyo Citizens Day (1 October)
Also free for: Primary school children and younger; junior high students living or studying in Tokyo
Details can change. Check hours and prices before you go.
Good to know
- Sit in the tatami rooms of the Japanese wing for green tea (Time Out).
- The Western house and billiard house are part of the garden ticket.
