An old-school onsen-sento ten minutes' walk from Skytree that stays open through the night, with natural hot-spring water from deep under the city, a big open-air bath with a view of the tower and a Mt Fuji mural by Mizuki Tanaka, one of the last sento painters.
- Address
- 3-12-14 Yokokawa, Sumida-ku, Tokyo 130-0003
- Hours
- Mon, Wed-Fri 15:00-10:00 (next morning); Sat 14:00-10:00; Sun and holidays 13:00-10:00; closed Tue (Wed when Tue is a holiday)
- Best time to go
- Late night, Morning · About 1.5 h
- Price
- Adult JPY 600, primary-school children JPY 200, preschoolers JPY 100 (Tokyo fixed bath price from 1 Aug 2026, Tokyo Sento Association); sauna or towel rental may cost extra
- Price level
- JPY
Details can change. Check hours and prices before you go.
Good to know
- The open-air bath and the mugwort steam sauna alternate between the men's and women's sides by odd and even dates.
- Daily changing herbal bath, salt steam sauna and far-infrared sauna (Tokyo Sento Association).
- Wash or at least rinse thoroughly at the taps before getting into the tubs, and keep your towel out of the water (Tokyo Sento Association etiquette).