About Onsen Hopper

Hot-spring hopping across Japan. 1,357 onsen you can walk into for a bath, no room needed.

Where the facts come from

Each onsen's own website. Every page says when it was checked. If a site does not give a price or hours, we leave them out rather than guess. No ratings, no reviews.

Photos and maps

Photos come from Wikimedia Commons, credited under each one. Map data © OpenStreetMap contributors. Tiles by OpenFreeMap.

Corrections

Something wrong? Email [email protected] or DM @bangkokbuild on X and Max will fix it. Until then, the official site is the final word.