The Prince Hakone Lake Ashinoko
ザ・プリンス 箱根芦ノ湖
Hotel bath overlooking Lake Ashinoko
Lodging
Day Use
NoBathing & Water
Natural onsen water
Uses natural hot spring water
Outdoor BathYes
Open-air outdoor bath
Indoor BathYes
Enclosed indoor bathing area
SaunaYes
Sauna room of any kind
Cold BathYes
Cold water plunge bath, typically used after sauna
Bathing Arrangements
Mixed BathingNo
Shared bathing area for all genders
Policies & Services
TattooNo
Allows entry with visible tattoos
KidsWith Conditions
Welcomes children and families
Children still in diapers cannot use the bath.
Views
LakeHighlights
Steam SaunaAbout
This is the hotel bath at The Prince Hakone Lake Ashinoko, open to hotel guests only. The open-air bath looks straight out over Lake Ashinoko, and there is also an indoor bath, a mist sauna and a cold plunge. The water comes from the hotel's own source, Takogawa Onsen (蛸川温泉), a simple hot spring (単純温泉).
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Last updated September 29, 2026