Verified in Japan

Kusatsu, Gunma / 西の河原露天風呂

Sainokawara Open-air Bath

One of Japan's largest open-air baths, about 500 square metres for men and women together, set in the woods of Kusatsu with fresh greenery, autumn leaves or snow all around.

Location

Smaller pins are other spots nearby.

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Last official check

25 Sept 2026

Traveler reports

0

Reports open in Phase 2

Next scheduled check

24 Dec 2026

Decide before you go

A short summary made from the official facts below. Check the rows for details.

Getting there
Train / Bus
Admission
Paid (see the price below)

Before you go

Only facts we confirmed on official sources are shown. Anything else is listed under “Not yet confirmed”.

Opening hours

April 1 - November 30: 7:00-20:00; December 1 - March 31: 9:00-20:00 (last entry 19:30).

Checked 25 Sept 2026 on the official site
Admission

Adults 600 yen, children 300 yen.

Checked 25 Sept 2026 on a tourism board site
Getting there

About 25 minutes by bus from Naganohara-Kusatsuguchi Station to the Kusatsu Onsen bus terminal, then about 15 minutes on foot.

Checked 25 Sept 2026 on a tourism board site
Parking

Tenguyama car park 1 (free, about 300 spaces).

Checked 25 Sept 2026 on a tourism board site
Not yet confirmed

Closed, Payment, Accessibility

we have not confirmed this on an official source yet. Check with the spot before you go.

Found wrong or outdated information? Let us know

Address: Kusatsu, Gunma (Japanese address: 群馬県吾妻郡草津町大字草津521-3)

Official site: http://sainokawara.com/

Nearby spots

Distances are straight-line distances, not travel distances.

Crowds

Not yet confirmed

Crowd level, Best time to visit, Peak time, Busiest days, Busiest season

no official source yet, and not enough traveler reports.

Latest traveler report
None yet

Traveler crowd data by time of day appears after 5 traveler reports (0 so far).

You can check typical busy hours in Google Maps ("Popular times" on the place's page). Open this spot in Google Maps

Visiting respectfully

  • Local etiquetteEvery Friday from 17:30 to 20:00 (except certain days) is "mixed bathing day", when the men's bath becomes mixed.Checked 25 Sept 2026 on the official site

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