Day Use
NoDay-use bathing and lunch are currently suspended, per the inn's own notice.
Bathing & Water
Open-air outdoor bath
Enclosed indoor bathing area
Uses natural hot spring water
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Reservable at check-in; a Google review notes it is free of charge and booking-based.
Private onsen bath in guest rooms, for overnight guests only
Only 2 of the 8 rooms (かもしか, 御在所) have their own private open-air onsen bath.
Shared bathing area for all genders
Policies & Services
Welcomes children and families
Multiple reviews describe families staying with toddlers/infants; a kids' menu is offered and a baby-changing stand is available in the changing area.
Restaurant or dining open to visitors (not just hotel meal plans)
Meals (kaiseki dinner/breakfast) are served in-room or in a private dining room (お食事処, 2-12 people) for lodging guests only; no walk-in/day-use dining currently.
Shower, wash stations, soap and shampoo provided
Review clarifies the room's private bath has no shower, but the main communal bath (大浴場) has shower stations.
Relaxation space for after bathing
On-site or nearby parking available
Reviews note the lot is small and can be tight for minivans/large SUVs.
Views
Mountains
RiverPrograms
About
Sanpouen is a small ryokan, just eight rooms, sitting at the top end of Yunoyama Onsen (湯の山温泉), where the road climbs on toward Mt. Gozaisho (御在所岳). Both the men's and women's baths pair an indoor tub with a rotenburo facing the mountain, and two of the rooms, Kamoshika (かもしか) and Gozaisho (御在所), have their own private open-air tub, one wood and one ceramic. There's also a reservable private bath for guests who'd rather not share. The spring is radium water, said to be gentle on the skin. With only eight rooms, you rarely cross paths with other guests, and reviewers keep coming back for the quiet and the view over the Mitaki River (三滝川) valley from their windows. Dinner tends to center on shabu-shabu, served in-room or in one of the small private dining rooms. Yunoyama's springs are said to go back to the Yoro era (養老年間), some 1300 years ago.
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Last updated July 7, 2026