Right Onsen › Gunma › Kusatsu
Sainokawara Source
4.1★ · 7 Google ratings · Kusatsu, Gunma · 西の河原源泉
✓ Natural hot-spring water✓ Free-flowing source water
Before you go
Can you bathe here?
Tattoos
Not known · call aheadno policy stated in the 7 recent reviews we read
The bath
What you’ll find
A scenic spring source near Kusatsu's Sainokawara area (the source itself is fenced off and only viewable from the road, feeding steam and a river downstream), with an adjacent 800-yen outdoor-only bath that has no shower or washing area at all.
Outdoor bath
✓ YesA large outdoor-only bath with a scenic view is here, separate from the actual spring source (which is fenced off and not enterable).stated by 2 visitors · Aug 2025 – Dec 2025
View
MountainLocated in the volcanic mountain terrain near Kusatsu-Shirane, with a reviewer calling the bath's view spectacular.stated by 2 visitors · Dec 2025 – May 2026
Guide
What visitors add
Outdoor bath & sauna
Three distinct reviewers describe the associated open-air bath as very large / scenic ('it really is huge', 'quite a spacious rotenburo', 'scenic rotenburo').
stated by 3 visitors · Aug 2025 – Jun 2026The water
The source itself is not batheable: one reviewer explains it lies upstream of the river feeding the bathing area and is off-limits (tachiiri kinshi), visible only from a roadside with no sidewalk or parking; another reviewer describes visible steam rising from it on a chilly morning.
stated by 2 visitors · May 2026 – Jun 2026Practical
Plan your visit
📍 464-462 Kusatsu, Agatsuma District, Gunma 377-1711
🚃 Haneo station, 8.3 km
📋 Show at the counter: 西の河原源泉
Nearby
Other baths close by
Kusatsu · 4.4★
Kusatsu · 3.7★
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