フォレスタ箱根温泉
01 / KAISEKI & ONSEN

Meticulous kaiseki cuisine, and
milky onsen straight from the source.

02 / STAY

The quiet of five rooms,
entirely your own.

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OFFICIAL BOOKING

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NEWLY OPENED 2026.07.25

A five-room onsen inn
in the forest of Sengokuhara, Hakone

A milky natural hot spring and kaiseki dinners with Kuroge wagyu.
A mossy garden, soft light through shoji screens —
the quiet of just five rooms.

About a 2-minute walk from Sengoku bus stop, with bus connections from Odawara and Hakone-Yumoto. Getting here

News

  • 2026.07.25We are now open in Sengokuhara, Hakone
  • 2026.07.23Booking requests are open for July 25 and 26
  • 2026.07.19Direct bookings are now open for stays from July 25
  • 2026.06.10Our official website is now open

Cuisine

Dining

Seasonal kaiseki

Kuroge wagyu sukiyaki
and seasonal kaiseki

An eight-course kaiseki, served dish by dish in our dining hall, centred on Kuroge wagyu sukiyaki — prepared by a head chef with over 40 years devoted to kaiseki, who has even cooked for the Emperor of Japan. In summer, a garden barbecue is also available.

Garden

Japanese Garden

Mossy garden

A day spent
gazing at the garden

From the lobby, rooms, dining hall and baths, enjoy the garden through every season — and a barbecue on summer evenings.

Garden at night

Onsen

Hot Spring

A milky onsen,
privately yours

A natural milky hot spring with two private-use baths for up to four guests each. Use an available bath free of charge from 16:00 to 23:00 and from 06:00 to 09:00 the next morning.

Private onsen

Rooms

Guest Rooms

Five rooms in all — three Japanese, two Western. Each with its own character.

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A Day at Foresta

Stay Experience

One way to spend your time with us, from arrival to the following morning.

01

15:00

Arrival

Settle into your room, surrounded by forest and garden.

02

16:30

Private onsen

Unwind in milky spring water — as often as you like.

03

18:00

Dinner

Seasonal kaiseki or a summer garden barbecue.

04

Morning

Morning

A Japanese-style breakfast in the dining hall and a quiet garden view.

05

10:00

Departure

Continue to Sengokuhara, Owakudani or nearby museums.

Guest Reviews

Guest Voices

We present public reviews from Google Maps and on-site surveys published with permission from guests who stayed with us, separated by source.

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The sign at the entrance
Pampas fields

Access

Near the pampas fields,
into the quiet woods of Sengokuhara.

About 24 min from Hakone-Yumoto Station by Hakone Tozan Bus Line T to the Sengoku stop — convenient for Lake Ashi, Owakudani and the area's museums.

〒250-0631 59-1 Sengokuhara, Hakone, Kanagawa

Nearby

Sightseeing

Famous spots of Hakone and Sengokuhara surround the inn — a fine base for sightseeing.

Lake Ashito Yumoto
Foresta Hakone

Foresta Hakone

仙石原

当館。仙石原の森に佇む、五室だけの小さな温泉宿。

地図上のピンをタップすると、各スポットの詳細がご覧いただけます。

Pampas Fields01

Pampas FieldsPampas Fields

Golden pampas fields in autumn. About 5 min by car.

Owakudani02

OwakudaniOwakudani

A steaming volcanic valley, famous for black eggs.

Lake Ashi03

Lake AshiLake Ashi

A red torii on the lake and scenic cruise boats.

Mountain Railway04

Mountain RailwayMountain Railway

A mountain railway framed by early-summer hydrangeas.

Art Museums05

Art MuseumsArt Museums

Museums dotted through the forest, including the Pola and Open-Air.

Hakone-Yumoto06

Hakone-YumotoHakone-Yumoto

Stroll the hot-spring town for street food and souvenirs.

* Images are for illustration.

Private Onsen

Private Onsen

Private Onsen

A milky bath, yours alone.

Garden Barbecue

Garden Barbecue

Garden Barbecue

Kuroge wagyu under the summer sky.

Access

Access

Address
59-1 Sengokuhara, Hakone-machi, Kanagawa 250-0631
By car
About 25 min from Gotemba IC via Route 138. Free parking a short walk from the inn.
By bus
From Hakone-Yumoto, Tozan Bus Line T about 24 min to Sengoku stop.

Before You Book

Frequently Asked Questions

Q.Can I visit without a car? Which bus stop is closest?

Yes. The inn is about a 2-minute walk from Sengoku bus stop. From Odawara Station, take Hakone Tozan Bus Line T toward Togendai from East Exit stop No. 4 and get off at Sengoku. Line T also serves Hakone-Yumoto Station. Sengoku and Sengoku-Kogen are different stops. Check Hakone Navi for current services and boarding points.

Q.Do you have private onsen baths?

Yes. We have two private baths with milky natural hot-spring water, each for up to four guests. They are free to use from 16:00 to 23:00 and from 06:00 to 09:00 the next morning. During these hours, use an available bath privately with your party as often as you like; no reservation is needed.

Q.What is the difference between Japanese and Western rooms?

The three Japanese-style rooms have a private toilet and washbasin. The two Western-style rooms use shared toilet and washbasin facilities in the inn.

Q.What meals are included?

Dinner-and-breakfast plans include seasonal kaiseki centred on Kuroge wagyu sukiyaki and a Japanese-style breakfast served in the dining hall. Room-only plans are also available, so please check the meal conditions of your chosen plan. If you would like dinner in your room, please confirm availability with us before booking.

Q.What are the check-in and check-out times?

Check-in is from 3:00 pm and check-out is by 10:00 am. Please contact us in advance if your arrival time changes significantly.

Q.Is parking available?

Free parking is available a short walk from the inn (not on the grounds themselves). The spot is easy to miss, so please tell us when you book if you are driving and we will send you a map.

LINE

Official LINE

Your Hakone concierge,
from first question to last day.

With only five rooms, we speak with every guest personally on LINE. From “it is our first time in Hakone, how should we plan it?” through booking and on to how to spend each day, we are your concierge.

01

Plan your trip

Which season, how many nights, what to prioritise — tell us your wishes and we will suggest a plan.

02

Check availability & book

Send us your dates and we will reply with availability and rates.

03

Where to go in Hakone

Museums, Owakudani, Lake Ashi and what is beautiful right now — advice that fits the day's weather.

04

During your stay

Advance check-in, dining requests and more — all handled on LINE.

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You are welcome even before you book.

NEWLY OPENED 2026.07.25

Now Open for Reservations

Newly opened in Sengokuhara, Hakone on July 25, 2026. Book a stay with dinner, breakfast and private onsen on our official site.