Japan Onsen Atlas
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Switch the map colouring to compare official statistics with this atlas. Tap a prefecture to open its page.
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Prefecture shapes: simplified from Global Map Japan (Geospatial Information Authority of Japan) via dataofjapan/land. Okinawa is shown in an inset; some remote islands are omitted.
Official statisticsMinistry of the Environment, FY2024 onsen usage survey (as of 31 March 2025) · 2025-03-31
In this atlasAtlas updated 2026-10-09
The official "onsen areas" count includes only places with lodging. Day-use-only places are excluded. The statistics cannot be added up into a "total number of onsen".