Onsen & Sento · Koenji
Kosugiyu 小杉湯
Koenji's 1933 temple-style bathhouse, the most loved sento in Tokyo: milky silk baths, alternating hot-cold bathing, and a cool community vibe.
HoursWeekdays 14:00–1:30; Sat, Sun & holidays 8:00–1:30
ClosedThursday
PriceAdult (12+): ¥600
Child (6-11): ¥200
Child (6-11): ¥200
Getting thereKoenji Station (JR), North Exit, 5 min
Time needed1 hour
Best timeWeekend 8:00
Address3-32-2 Koenji-Kita, Suginami City, Tokyo
Websitekosugiyu.co.jp
About
Kosugiyu is a registered tangible cultural property with a magnificent miyazukuri (temple-like) roof and a renovated interior. It's famous for its milk bath (soft white water), daily-changing herbal and fruit baths, and its 'kotai-yoku' routine of alternating hot and cold. The owners turned it into a creative hub: its annex 'Kosugiyu Tonari' next door hosts a café, workspace and events. Expect lines at peak times.
Highlights
- 1933 temple-style building with a sweeping gabled roof
- Milky 'silk' bath and rotating themed baths
- Hot/cold alternating bath (kotai-yoku) culture
- Kosugiyu Tonari annex with café and events
- Weekend morning baths from 8:00
Tips
- Weekend morning baths (8:00) are blissful and quieter
- Expect queues after 20:00
- Bring cash; small towel rental available
- Closed Thursdays
Open in Google Maps · Info checked 2026-10-09
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