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Ikaho Onsen
OnsenHistory
Gunma, Kanto

Ikaho Onsen

An ancient resort town built up a single stone staircase of 365 steps — each step flanked by traditional wooden inns, souvenir shops, and bathhouses. The brown iron-rich water (chakki-yu) has been praised since the Manyoshu (8th century) and stains baths and tiles a distinct dark orange. The town was a favourite retreat of writers and artists throughout the Meiji era.

Duration

1 day recommended

Admission

Public bath ¥800 (Ishidan-no-yu, general); ¥500 (Shibukawa residents)

Hours

Ishidan-no-yu: 9:00–21:00 (closed Wed); other facilities vary; stone staircase town always accessible

Best Season

Year-round (autumn foliage on the stone steps in October)

Access

Bus from Shibukawa Station (JR Joetsu Line, 25 min)

Location

Why Visit

  • 1

    365 stone steps — each one flanked by wooden inns and souvenir shops in an Edo townscape

  • 2

    The iron-rich brown water stains everything it touches — unlike any other hot spring in Japan

  • 3

    Praised in the Man'yoshu anthology (8th century) — one of Japan's oldest recorded onsen

Local Tips

The 365-step stone staircase (Ikaho Stone Steps) lined with ryokan and souvenir shops is the town's defining feature — one step for each day of the year. The brown (iron-rich) spring and clear spring give very different baths; try both if time allows. Ikaho is an easy day trip from Tokyo (2 hours by Shinkansen + bus or limited express).

365 stone stepsbrown water onsenmeiji resorthistoric inn town

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