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- HOTEL THE MITSUI HAKONE
HOTEL THE MITSUI HAKONE
Kanagawa Prefecture／Ashigarakami DistrictHakone–Kowakudani, an Onsen destination with a history spanning 3,000 years. Enjoy a nature-filled stay in a place connected to the Mitsui family.
HOTEL THE MITSUI HAKONE will open within Fuji-Hakone-Izu National Park on a vast site of over 130,000 m²—once home to a cluster of Mitsui family villas. Here, where history and nature resonate in harmony, a new story begins, following the award-winning HOTEL THE MITSUI KYOTO. Gaze out to Mt. Asama and listen to the gentle murmur of the Jabone River. All 126 rooms—including suites and villas—feature Onsen water drawn from springs on the property. At the Thermal Spring Spa, Kowakidani Onsen and original treatments offer time to deeply unwind body and mind. A range of experiences that connect you with local culture and nature brings fresh discoveries to your journey. Enjoy Japanese cuisine including kaiseki, sushi, and teppanyaki; an all-day dining venue that reflects local bounty and the changing seasons; and a bar for savoring the lingering notes of your day. Immerse yourself in timeless Onsen waters and ever-changing natural beauty, and spend moments of quiet luxury found only here.
Reviews
Facilities and Services
See All- Hot spring
- Room with Open-Air Bath
- Spa facility
- Fitness
| IN | 15:00～24:00 |
|---|---|
| OUT | 12:00 |
| Number of rooms | 126 rooms |
| Opening date | Dec 15, 2026 |
| Pet | Not allowed |
| Your child | Permitted |
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See All
- Double
- 48㎡
- Capacity 1~3 people
- Twin
- 48㎡
- Capacity 1~3 people
- Double
- 48㎡
- Capacity 1~3 people
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Introduction of the Accommodation
Thermal Spring Spa
Hakone, a renowned hot-spring destination with a history dating back to the 13th century. Nestled in its rich natural surroundings, “Thermal Spring SPA” offers a serene retreat where natural Onsen rising within the grounds meets cutting-edge wellness. As you are embraced by the stillness of the forest, your mind gently unwinds and your body and spirit come back into balance. Surrender to the calm and enjoy a blissful moment to rediscover your true self.
The “Thermal Spring” unfolds amid nature’s blessings, accompanied by the gentle murmur of the Jakotsu River. The Kowakidani Onsen that wells up on the property is known for its rich waters that moisturize the skin and warm you to the core. In addition to a serene indoor bath, we offer an outdoor standing bath where sky, forest, and water’s surface blend into one. Enjoy a one-of-a-kind moment of deep relaxation in an open setting, filled with the energy of the earth.
At the Thermal Spring SPA, you can enjoy a serene escape in five private treatment rooms, including one couples’ room. Exclusive Hotel treatments paired with natural Onsen create a one-of-a-kind spa journey that leads you to deep relaxation and renewal.
Located upstream along the Jakotsu River, you can visit the beautiful Senjo Falls, where multiple streams cascade like a curtain across a width of about 20 meters, as well as Lake Ashi, which changes its scenery with each season. ■Access to nearby facilities and sightseeing spots (by taxi): About 5 minutes to the Hakone Open-Air Museum. About 15 minutes to Owakudani Station (ropeway). About 25 minutes to Hakone-machi Port (Lake Ashi).
Facilities and Equipment of Accommodation
- The room
- Restaurant
- Facilities & Services
Basic Information
| Taxes | At HOTEL THE MITSUI HAKONE, a Hot Spring Tax (150 yen) is charged separately and must be paid on site. Please note that it is not included in your room rate. |
|---|---|
| Card information | VISA / MASTER / JCB / AMEX / DINERS |
| Pets | Not allowed |
| Breakfast | There is no information about breakfast. |
| Your child | You can stay. |
| Room service | Available for use |
| Common amenities |
|
| Facilities and Features |
|
| Esthetic Massage | Available Hakone, a renowned hot-spring destination with a history dating back to the 13th century.
Thermal Spring SPA is nestled in this land blessed by nature’s abundance.
A serene sanctuary of healing unfolds here, where natural Onsen rising within the grounds meets cutting-edge wellness.
At Thermal Spring SPA, enjoy blissful moments in five private treatment rooms, including one couples’ room,
and surrender to the tranquility as you reconnect with your true self. |
| Fitness gym |
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| Room with Open-Air Bath |
|
| Room with Onsen Indoor Bath |
|
| Spring quality and benefits | Sodium Chloride Onsen Moisturizing effect, minor cuts and abrasions, peripheral circulatory disorders, sensitivity to cold, depressive symptoms, dry skin condition |
| Sauna | Available |
| Hot stone spa | None |
Reviews
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
There are no reviews available.
Access Information
Kanagawa Prefecture450-1, Misakuzawa, Kowakudani, Hakone-machi, Ashigarashimo-gun, Kanagawa, Japan
TEL：+81-460-83-3111
Public Transportation
Approx. 30 minutes from Hakone-Yumoto Station by the Hakone Tozan Railway
Approx. 32 minutes from Odawara Station by the Hakone Tozan Bus
Taxi
Approx. 30 minutes from Odawara Station
- Parking Information
- Fee
- Parking fee per night for guests ¥4,000
- Parking time
- ---
- Parking space
- No restrictions
- Number of parking spaces
- 72 cars available outdoor
- Valet service
- Available (Paid)
- Pickup and drop-off information
- Unavailable
Frequently Asked Questions
What are the check-in and check-out times?
Check-in 15:00～24:00 Check-out 12:00
What kind of facilities and features are available?
There are the following facilities and features. Hot spring・Rooms with open-air baths available・Sauna・Spa facility・Fitness・Room service
I would like to know the access information.
Public Transportation Approx. 30 minutes from Hakone-Yumoto Station by the Hakone Tozan Railway Approx. 32 minutes from Odawara Station by the Hakone Tozan Bus Taxi Approx. 30 minutes from Odawara Station
Is parking available?
・Fee： Per night for guests ¥4,000 ・Parking space： Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces： 72 cars ・Valet Service： Available (Paid) Parking is provided exclusively via valet service.
Please provide information about Room with Onsen Indoor Bath.
・Hot spring: Available ・Free-flowing: None ・Cloudy hot spring water: None ・Supplementary information: (Add water)
Is an internet connection available?
Connection is possible. ・Wi-Fi is available. For more details, please refer to the room and plan information.
Is there a sauna?
Yes, there is.
Do you have esthetic massages?
Yes, there is. Hakone, a renowned hot-spring destination with a history dating back to the 13th century. Thermal Spring SPA is nestled in this land blessed by nature’s abundance. A serene sanctuary of healing unfolds here, where natural Onsen rising within the grounds meets cutting-edge wellness. At Thermal Spring SPA, enjoy blissful moments in five private treatment rooms, including one couples’ room, and surrender to the tranquility as you reconnect with your true self.
I would like to know more about fitness.
・Business Hours: 00:00～22:00 ・Usage fee（Guest）: Free ・Age restriction: ■Available to guests only (free of charge) ■Children under 16 are not allowed ■Hours: 24 hours
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