Experience authentic hot springs.
ONSENIA is a curated guide to Japanese ryokans where you can enjoy authentic "Gensen Kakenagashi" — natural, free-flowing hot springs.
Find Your Ryokan
Ryokan information is being added and updated regularly.
Experience authentic hot springs.
ONSENIA is a curated guide to Japanese ryokans where you can enjoy authentic "Gensen Kakenagashi" — natural, free-flowing hot springs.
Ryokan information is being added and updated regularly.