Fukagawa Onsen Tokiwa-yu

A real spring (sodium chloride), renovated in 2023: timed sauna sessions, often with a wait

In business for 80 years in the Fukagawa neighbourhood, the sentō (public bath) was reborn in March 2023 as ‘Fukagawa Onsen Tokiwa-yu’, with its 宮造り (temple-style roof) exterior intact and the interior rebuilt. The water is a real sodium chloride mineral spring, amber in colour, not simply heated mains water as in most sentō. The new sauna, with a burst of steam every 20 minutes, has made the place a reference point for enthusiasts, to the point of causing queues.

In business for 80 years according to the operator, the sentō closed for a complete renovation and reopened on 16 March 2023 under the new name ‘Fukagawa Onsen Tokiwa-yu’. The spring is a real sodium chloride mineral water: a rare feature among Tokyo's public baths, which usually heat plain mains water.

ℹ️ Open 12:00–24:30 (last entry 24:00), closed on Thursdays. Entry 600 yen for adults (from 1 August 2026), 500 for junior high pupils with a student card, 200 for elementary school pupils. The bath alone is timed, 70 minutes; with the sauna, up to 120 minutes (supplement 500–600 yen depending on the day). The outdoor bath exists only in the men's section. 6 minutes on foot from exit A1 of Kiyosumi-Shirakawa Station, Toei Ōedo Line.

🚉 Morishita · 6 min walk

Sources: tokiwayu.com

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