Hotel Green Plaza Hakone
ホテルグリーンプラザ箱根
Mt Fuji-view baths at a Sengokuhara hot-spring hotel
Day Use
YesDay-use bathing runs 13:00 to 18:00 Friday through Tuesday, but shifts to 15:00 to 18:00 on Wednesday and Thursday, when the bath is closed 10:00 to 15:00 for cleaning.
Adult day-use bathing is 1,600 yen (elementary-school children 700 yen, preschoolers free); towel rental for preschoolers costs extra (face towel 100 yen, bath towel 200 yen). An optional set with an a la carte lunch and the bath is 2,500 yen, served 12:00 to 14:00 (last order 13:30), and it can't be reserved in advance.
Bathing & Water
Uses natural hot spring water
Site states circulation-with-overflow (放流循環併用式), not full kakenagashi except in some guest-room baths.
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Bathing Arrangements
A private bath you can reserve for yourself or your group
Ikyu's listing mentions 'private rotenburo rooms', but that refers to specific guest rooms with their own bath (ROOM_ONSEN), not a separately reservable communal private bath; yukoyuko explicitly states no family/kashikiri bath.
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
Diapered infants allowed briefly with prior toileting; standard Kanagawa rule bars opposite-sex bathing from age 7.
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
Towels to rent or borrow at the desk
On-site or nearby parking available
Views
MountainsLoading map…
Reserve or check availability on a booking site.
No reviews yet
Be the first to share your experience!
Last updated September 19, 2026