Japanese Valuable Onsen Ryokan Ichinoyu around Tokyo
Ichinoyu group official site

Reservation center0460-85-5331

Open 9:00~18:007 days a week

Tonosawa QS

120 Tonosawa, Hakone-machi, Ashigara-shimogun, Kanagawa 250-0315, Japan

Score from guests6.0
You will get the best value on our website.



  • 館内浴場
  • 館内浴場

Spacious reserved bath room.

The stylish bath room which is made of stained grass and mosaic tile is located on the ground floor. Please enjoy alkaline pH 9.3 hot spring privately. The hot spring is good for your skin. Moreover, you can use the public bath of Ichinoyu Honkan for free. The histrical ryokan is located 1or 2 mins walk from Quatre Saisons.

[Notice] *There is no erevater facility from the 2nd floor to the ground floor. *Other than reserved time, the bath room might be crowded. *Only preschool children are allowed to use both men's and women's public bath regardless of gender.

Spa details 

Public bath Men( 1 ) Women ( 1 )
Time schedule 15:00 ~ 21:40 *Cleaning 21:40 ~ 22:00
The capacity Men( 4 ) Women ( 6 )
Public open-air bath ×
Private use 10:00pm ~ 1:00am : First come basis (Reservation is notrequired). *40 mins limited for each group. *The bath room can be locked from the inside