Tenseien
天成園
Day Use
YesDay-use bathing runs on an almost round-the-clock schedule, with last entry at 8:00 the following morning.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
Policies & Services
Allows entry with visible tattoos
Welcomes children and families
Minors alone need a guardian's consent form; children of middle-school age or younger may not use the facility unaccompanied; children still in diapers may not use the main baths.
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
Towels available to rent or borrow
Relaxation space for after bathing
On-site or nearby parking available
Views
Mountains
RiverHighlights
Jet Bath
Lukewarm BathAbout
Tenseien (天成園) is a large ryokan in Hakone-Yumoto that leans hard into day-use bathing as well as overnight stays. The signature bath is a wide open-air pool on the rooftop, with views over Hakone's mountains. There's a second rotenburo on the river side (one section has jets), plus an indoor bath with smooth, alkaline water; it runs a little on the cool side, but a slow soak still warms you through. Add a sauna, kashikiri (貸切) private baths, and guest rooms with their own open-air bath. The garden has a small waterfall and a branch shrine of Hakone's Kuzuryu (九頭龍) shrine, with carp and ducks you can feed.
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Last updated August 5, 2026