I’m considering a day trip to Mt. Hiei. When descending on the Lake Biwa side, I notice that there is a station called Ogoto Onsen just north of the cable car. An evening in an onsen would be a great way to end the day before taking the train back home.
However, a quick search only returned ryokans with onsen baths attached; often these are not open to guests not staying at the ryokan. Are there any public onsens that accept day trip customers that I could visit?
Ideally, I would prefer late opening hours (9 pm or later) and open-air baths, if there happens to be a choice.