In summer, people enjoy the warm waters of the hot spring while playing in the pristine currents of the Ohtou River. In winter (November to February), the river is partly blocked and the mammoth Seninburo open-air bath opens.

The outdoor river bath is mixed gender, but apart from a few older gentlemen, people wear swimsuits or underwear. While bathing, you can pray at the Juniyakushi shrine which is of course dedicated to the Onsen God. We recommend visiting the bath at night when there are floodlights and the steam rising from the river creates a cool mist.

Please note that during the Seninburo season you are not allowed to dig your own bath.