Japanese hot springs, checked properly.

Onsen where tattoos are not a problem

Including places where the shared baths are off-limits but a private bath is not — the option nobody tells you about. See all 92 of them.

You can bathe without staying the night

Many ryokan open their baths to day visitors for a small fee. It is a normal thing to do in Japan and almost unknown outside it.

The editor’s ten

Every onsen on this list was visited in person. Three places are still open — we have not found a number one yet.

By prefecture