Ureshino Onsen Ryokan Hatsune Sō

Hatsune So is a ryokan in Ureshino built for families with small children. There is no rotenburo, only an indoor bath with a tatami-covered washing floor so toddlers don't slip, and a single kashikiri (family) bath booked same-day at check-in, which tends to fill up fast. Only the room called Yu no Ka (湯の香) has its own onsen tub; the baths built into the other room types run on heated tap water, not the spring. The water is clear and has a smooth, slightly slick feel on the skin. Everything else about the place leans toward families: a kids' playroom, baby baths and soap at both bath counters, a diaper-change table, and reviewers consistently mention how patient the staff are with children.