別府温泉 リゾートステイ SPA TSURUMI
Rooftop open-air bath at a self-check-in stay in Beppu
Uses natural hot spring water
Site also states the rooftop bath is 源泉かけ流し (source-fed, continuously flowing).
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
A private bath you can reserve for yourself or your group
Shared bathing area for all genders
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
One parking space per room; also 4 EV-charging spaces.
The rooftop is where the onsen is: one small open-air bath that switches between men's and women's use through the day, with no mixed bathing and no private option. The water is a simple-spring type, pale yellow-brown and clear with barely any taste, kept flowing from the source, and on a clear day you can see across Beppu to the sea and the surrounding hills from the tub. Spa Tsurumi opened in 2024 as a self-check-in resort stay built into a former love hotel. There's no front desk, just a tablet for check-in and a digital lock code for your room. Every room has its own parking space, plus 4 spots with EV charging, and since there's no restaurant, a 24-hour lounge on the second floor covers snacks and instant noodles with vending machines, a kettle, and a coin laundry nearby.
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Last updated September 22, 2026