Illustrative onsen mood image
Illustrative image — not a photo of this facility

Tokyo · Tokyo City

Toshimaen Niwa-no-Yu

豊島園 庭の湯

An urban spa in front of Toshimaen Station, 20 minutes from Ikebukuro on the Seibu line. Natural hot-spring water drawn from 1,445 m feeds an open-air bath overlooking a Japanese garden, plus a swimsuit 'Bade' pool zone. Adults and teens only (junior high and up), so it stays quiet. Lounges, a restaurant and body care invite long weekday afternoons. No tattoos.

Essentials

Price (adult)
¥2,600
Hours
10:00–23:00
Closed
Open daily
Access
1 min walk from Seibu Toshimaen Station
Water type
Bicarbonate spring
Tattoos
Not allowed
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Stay in this onsen town

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Why go

  • Garden-view rotenburo
  • Swimsuit pool zone
  • Teens and adults only

Before you go

  • Tattoos are explicitly not allowed, even if covered.
  • Last entry is 30–60 minutes before closing.

Features

✔ Verified operating: 2026-09 yuru-to (2026-04 リニューアル後 平日2,600円/土日3,300円、18時以降ナイトスパ割)

Prices and hours change. Check official sources before visiting.

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Kamata, 15 minutes by train from Haneda Airport, has Tokyo's densest cluster of 'kuroyu' black-water springs. Kaiseiyu, founded in 1929, is the classic: a coffee-dark natural bicarbonate bath, a high-concentration carbonated pool and a cold plunge, with a goldfish aquarium set into the bath wall. ¥600; a toiletries-and-towel set is sold at the desk. Ideal before a flight or after a late arrival. Tattoos are fine, as in most sento.

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Illustrative onsen mood image
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Kabe Onsen Ume-no-yu, Ōme

A natural-spring super-sentō on the 5th–6th floors of the building linked by footbridge to the north exit of Kabe Station on the JR Ōme Line. The alkaline simple spring from 1,500 m down is known for leaving skin silky; the top floor has an open-air bath, lying bath, hot sauna and cold plunge plus an outdoor rest deck facing the Tama hills. Open 10:00–23:30 (last entry 23:00); ¥1,000 weekdays, ¥1,150 weekends, cheaper after 21:00. The Baijuan restaurant's weekday lunch-and-bath set is good value. The most convenient day onsen in western Tokyo — stop off on the way back to Shinjuku after hiking Mt Mitake, driving Okutama or browsing Ōme's retro shopping street. Closed the third Wednesday.

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