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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
StayAPA Hotel Biwako Seta Ekimae
1,020 reviewsView →
StayVessel Inn Shigamoriyama Station
769 reviewsView →
StayUrban Hotel Kusatsu
585 reviewsView →
StayUrban Hotel Minami Kusatsu
520 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