Onsen & Sento · Kamata

Kamata Onsen 蒲田温泉

The best-known kuroyu (black water) bathhouse in Kamata, Tokyo's black-onsen capital, with dark tea-coloured spring water, scalding hot tubs and a homely Showa banquet hall.

Hours10:00–1:00 (check before going)

ClosedOpen daily

PriceAdult (12+): ¥600
Child (6-11): ¥200

Getting thereKeikyu Kamata Station, 10 min; JR Kamata 15 min

Time needed1–2 hours

Best timeEvening

Address2-23-2 Kamata-Honcho, Ota City, Tokyo

About

Southern Tokyo's Ota Ward sits on ancient plant deposits that turn groundwater the colour of black coffee, rich in humic acid and silky on the skin. Kamata Onsen is the classic place to try it: inner baths of near-black natural spring water, including a famously hot tub (around 46°C), a sauna, and an old-school upstairs hall with a karaoke stage and food where locals spend all day. A short trip from Haneda Airport and a world away from central Tokyo's spa resorts.

Highlights

Natural kuroyu black-water hot spring
Extra-hot bath for the brave (~46°C)
Showa-era upstairs banquet hall with karaoke
Close to Haneda Airport for a pre/post-flight soak

Tips

Pair with a cheap gyoza crawl in Kamata (hanetsuki gyoza)
Bring your own towel or rent at the desk
Confirm hours by phone before going; they've varied

Open in Google Maps · Info checked 2026-10-09

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Kamata Onsen 蒲田温泉

About

Highlights

Tips

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