Travel in Gunma
Sainokawara Open-Air Bath
Sainokawara Open-Air Bath · 西の河原露天風呂
At Sainokawara Open-Air Bath, soak in spacious outdoor baths with views of the park. From Yubatake, follow Sainokawara Street into the park and continue to the bath. Combine a town walk with outdoor bathing.
Official sources Open-air bath fees and hours Open-air bath: walking, lockers and facilities FAQ

Visitor information
Admission
Admission costs 800 yen for adults; children aged 3–12, up to elementary school age, pay 400 yen. Towels cost separately.
Opening hours
Open 07:00–20:00 April 1–November 30 and 09:00–20:00 December 1–March 31. Last admission 19:30.
What to see at Sainokawara Open-Air Bath
Spacious baths with natural surroundings
Soak in the park’s spacious open-air baths with views of the natural surroundings. Afterwards, walk through the park on your way back to town.
How to get to Sainokawara Open-Air Bath
From Yubatake, follow Sainokawara Street into the park. Continue following open-air bath signs. The facility FAQ gives about 12 minutes on foot from Yubatake to the bath.
Open-air bath fees and hours Open-air bath: walking, lockers and facilities FAQ Official walking course to the park
Before you visit
Allow time to reach the bath entrance
The facility FAQ gives about 12 minutes on foot from Yubatake to the open-air bath. This has a different endpoint from tourism guidance giving about ten minutes to the park entrance.
Open-air bath: walking, lockers and facilities FAQ Official walking course to the park
Later opening on winter mornings
The bath opens at 07:00 April–November and 09:00 December–March. Consider a leisurely visit the next morning rather than rushing around your arrival bus. Check maintenance closure notices too.
Questions about Sainokawara Open-Air Bath
How long is the walk from Yubatake to Sainokawara Open-Air Bath?
The facility FAQ gives about 12 minutes to the bath, not just the park entrance. Continue through the park following open-air bath signs.
Open-air bath: walking, lockers and facilities FAQ Official walking course to the park
Official sources
- Official sources ·
- Open-air bath fees and hours ·
- Open-air bath: walking, lockers and facilities FAQ ·
- Official walking course to the park ·
- Sainokawara’s spacious open-air baths and natural views ·
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