Oga Onsenkyo, Oga, Akita Prefecture
Oga Kanko Hotel
A strong choice for a high-floor sea view and an outdoor bath at around ¥800. Day-use entry can be paused for private bookings or crowding, so call before setting out; a car is useful for reaching the area.
Check before bathing
- Opening hours
- The posted day-use window is 15:00–21:00, but admission is not guaranteed every day and may stop for private bookings or crowding. Call ahead.
- Access
- Oga Onsenkyo is easier to reach by car; check local transport before planning a day trip.
Spring & water temperature
- Spring-source temperature
- 55.4°C; this is the source temperature, not the bath temperature.
- Bathing temperature
- No fixed temperature is published.
- Spring source
- Oga Onsen No. 1.
- Spring classification
- Sodium chloride spring.
- pH
- 7.4.
- Flow rate
- Not published.
- Water handling
- The hotel describes the water as source-flowing. It says only minimal water is added or heated seasonally, with no circulation, no bath additives and chlorine-based sanitation.
Bathing indications
The hotel lists general bathing indications. They are not a treatment guarantee.
Day-use entry may be refused because of private bookings or crowding. Confirm the same-day arrangement; the 55.4°C figure is for the source, not the bath.
How to read a bath profile
Spring-source temperature and actual bathing temperature are kept separate. Each score is shown independently for comparison rather than collapsed into one overall score.
