"Yuto Onsen" is a hot spring source that springs from 500 meters underground.
The water is sourced from Yuto Onsen, Work up a healthy sweat in sauna and complete the onsen experience

Open-air hot spring "Yuto Onsen"
Heal your mind and body with "Yuto Onsen" springing out from 500 meters underground
An open-air bath that draws "Yuto Onsen", a home hot spring that springs from 500 meters underground. At night, an open-air bath where you can immerse yourself in hot water while watching the full starry sky. Let your troubles soak away and refresh your mind and body.- Floor
- 1F

Public hot spring bath
Escape from everyday life in a place of peace and quiet.
Take a dip into the relaxing hot waters of our spacious baths, and let the calm wash over you and relieve the stresses of the day as you look out on the serene, natural surroundings.- Floor
- 1F
- Bathroom equipment
- Body Soap, Shampoo, Conditioner, Child Seat, Assistance Seat

Dry sauna
Sweat the fatigue away and refresh your mind and body.
Refresh yourself by sweating the day's fatigue away in the sauna. Relax and let the stress of the day leave your body.- Floor
- 1F
- Bathroom equipment
- Men's bath: Dry sauna
Women's bath: Mist sauna

Mist sauna
Sweat the fatigue away and refresh your mind and body.
Refresh yourself by sweating the day's fatigue away in the sauna.Relax and let the stress of the day leave your body.
- Floor
- 1F
- Bathroom equipment
- Men's bath: Dry sauna
Women's bath: Mist sauna
Overview
- Hours
- 6am-10am (Last entry: 9:30am). 3pm-11pm (Last entry: 10:30pm)
- Usage Charges (per person)
- ・Complimentary access is available for guests staying at the hotel.
※Bath tax is included in the price of accommodation. - User Guide
- ・Please note that, as a general rule, guests with tattoos are not allowed to use this facility.
However, entrance is permitted, provided the tattoo can be concealed by applying two 8cm x 10cm cover stickers,
which are sold at the hotel. - Floor
- 1F
Facilities
- Facilities
- ■Indoor Public Bath
25 washing booths for men's baths / 35 for women's baths - Amenity
- ■Indoor Public Bath
Body Soap, Shampoo, Conditioner, Child Seat, Assistance Seat
■Changing rooms
Baby bed, water cooler, thermometer, cotton swabs, hair dryers, fans
EXPERIENCES SIGHTSEEING・ACTIVITIES
- Nature and Landscape
- Activity
- Experience and tour
- Tourist Facilities
![[Enjoying Autumn] Introduction of recommended autumn leaves spots](https://grand-mercure-lakehamana-resortandspa.jp/en/wp/wp-content/uploads/2025/07/%E7%B4%85%E8%91%89_296756798-1000x667.jpeg)
- #Nature and Landscape
Autumn is the autumn leaves season. There is also a spot where you can enjoy autumn leaves in Hamamatsu.
Please enjoy the scenery that changes from green to red.

- #Nature and Landscape
- #Activity
A quiet moment on the shores of Hamanako where you can immerse yourself in superb views and hot springs. You can spend a special day with your family with nature and hotel experiences that both adults and children can enjoy.

- #Nature and Landscape
◆Kanzanji Ropeway is 723m long, the only Kanzanji Ropeway in Japan that crosses the lake. From the observation deck, you can see Hamanako 360 degrees.

- #Activity
All Tokai Bus routes are unlimited rides for 2 or 3 days from the start date of use. Convenient for local sightseeing and transportation.
It can be easily used from each bus stop of Tokai Bus. Why don't you use a convenient free ticket to fully enjoy the charm of the area?

- #Activity
Sightseeing & Activities in Shizuoka, Hamamatsu, and Kakegawa

- #Nature and Landscape
- #Activity
A quiet moment on the shores of Hamanako where you can immerse yourself in superb views and hot springs. You can spend a special day with your family with nature and hotel experiences that both adults and children can enjoy.