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Japan · Onsen
Kusatsu Onsen
See images of Kusatsu OnsenLargest natural flow in Japan, voted #1 onsen for years
A hot spring in Kusatsu, Japan, on the continent of Asia.
Plan your soak
Where to stay nearby
StayKusatsu Onsen Kusatsu Hotel1913
1,624 reviewsView →
StayUrakusatsu TOU
1,455 reviewsView →
StayKusatsu Onsen Eidaya
1,374 reviewsView →
StayKusatsu Onsen Hotel Village
896 reviewsView →
Live availability via the Stay22 Accommodations API - review counts only, never a star rating or score.
The area
KUSATSU · Stays around the spring
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All Japan hot springs →
Last reviewed June 2026 · How we choose