Izu-Nagaoka Onsen, Izunokuni, Shizuoka
Hotel Sun Valley Izu-Nagaoka, Main Building Yumedono (Day Use)
More than 15 baths at a lower price than the view-focused resort
Property overview
Overview
The main building's Yumedono bath complex has more than 15 types of baths, including a large cypress bath with a ceiling over 10 metres high and an outdoor bath. It is the choice for variety rather than a Mount Fuji panorama. Busy days may bring visitor limits or a pause in day-use admission.
Spring & water temperature
- Spring-source temperature
- Not published for the main building; Fujimi's separate spring temperature is not substituted
- Bathing temperature
- Not published
- Spring source
- Izu-Nagaoka Onsen water; the current main pages do not identify the individual source used by Yumedono
- Spring classification
- Alkaline simple spring, according to the hotel's group onsen information
- pH
- Not published for the main building; Fujimi's pH value is not substituted
- Flow rate
- Not published
- Water handling
- Yumedono has more than 15 types of baths. The main pages do not publish the exact source, source temperature, pH, yield or bath-by-bath water-addition, heating, recirculation and disinfection conditions. Figures for the separate Fujimi building's spring are not applied to Yumedono.
Bathing indications
The hotel describes the water as an alkaline simple spring and mentions general bathing benefits such as relief from fatigue. This does not guarantee a medical effect.
Day use is 13:00–22:00, with last admission at 19:00; Wednesday opening begins at 15:00 because of cleaning. Adult admission is ¥1,300 on weekdays and ¥1,500 on weekends and public holidays. Busy dates may have capacity controls or no day-use admission.
Choose the room for the way you want to stay.
Check the official page for current room details and what the selected plan includes.
Meals
Check meal times before booking.
For allergies or other dietary requirements, contact the property before booking to confirm what can be accommodated.
How ryokan meal plans workLocation & access
Check the last leg of the journey.
Local buses from Izu-Nagaoka Station stop at Sontokuji-mae. The hotel also lists shuttle service, but do not assume the overnight guest's free shuttle is available to day visitors without confirmation.
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