Overview
Wake up among the mountain landscapes of Yamanashi at Grand Mercure Yatsugatake Resort & Spa. Set at an elevation of around 1,000 metres in the highlands of Hokuto, this spacious resort gives you views towards the Yatsugatake Mountains, the Southern Alps, and Mount Fuji when the weather is clear.
The resort suits you especially well when you want to combine outdoor scenery with plenty to do inside. You can walk through the forest, watch the night sky from the rooftop observation deck, enjoy the large indoor activity areas, soak in the hot spring, and finish the day with local food and drinks.
An all-inclusive plan brings dinner, breakfast, selected lounge drinks and snacks, hot spring access, and many on-site activities together in one stay. Meal conditions depend on your chosen plan, and some drinks or activities may carry an additional charge. Lunch is not available.
Accommodation
Every room measures at least 36 square metres, giving you plenty of space to rest after exploring Yatsugatake. The room collection includes Western-style twin rooms, Japanese-Western rooms with tatami and futons, family rooms with low beds, and large suites. Many categories face the surrounding mountains.
The Japanese Modern Family Room combines tatami flooring with low beds and futons. Wood-grain details, soft lighting, and large floor cushions create an inviting space where you can sit close to the floor and relax together. This 36-square-metre room works particularly well when you want a Japanese atmosphere without sleeping entirely on futons.
The Standard Twin Mountain View is also 36 square metres and includes twin beds and a sofa bed. These rooms were renewed in April 2024 and use soft colours inspired by the forests around Yatsugatake. The Standard Twin Japanese-Western Mountain View adds a tatami area and futon bedding to the twin-bed layout, giving you more flexibility when sharing the room.
The Classic Twin Mountain View keeps the property’s original interior style. It offers the same generous 36-square-metre size, twin beds, additional bedding, and views towards the changing mountain landscape.
The Executive Twin Mountain View provides a renewed 36-square-metre interior with twin beds and additional bedding. You also receive access to the Executive Lounge, where you can enjoy Yamanashi wine, beer, locally produced shochu, yuzu tea, and seasonal snacks during the designated opening times.
For more space, the Executive Family Suite Mountain View measures 72 square metres and combines twin beds with a Japanese area for futon bedding. The 144-square-metre Executive Suite provides the largest layout, with twin beds, wide living areas, and mountain views. Both suite categories include Executive Lounge access.
Your room includes complimentary Wi-Fi, a television, an empty refrigerator, a kettle, green tea, roasted tea, towels, a hairdryer, toiletries, slippers, yukata, a haori jacket, and a water pitcher. Water servers are available around the clock on each accommodation floor. All rooms are non-smoking, with a smoking booth provided on the first floor.
Dining
Le Sensoriel serves dinner and breakfast as buffets, bringing together Yamanashi ingredients, regional cooking, and familiar Japanese, Western, and Chinese dishes. Your meal plan determines whether dining is included in your stay.
At dinner, you can try Koshu wine beef served as grilled shabu-shabu. Red wine is used beneath the grill, adding the aroma of Yamanashi’s wine culture to the tender beef. Other dishes may include hoto noodles in a rich miso broth with pumpkin, colourful vegetable pressed sushi, salads, grilled dishes, and a long sausage specially prepared by a local butcher. Menus change with the season and ingredient supply.
Beer, wine, soft drinks, and alcohol-free choices accompany the dinner buffet. You can choose your dining time during check-in. Dinner is normally served from 17:30 to 21:00, with final entry at 20:30, and dining time is generally limited to 90 minutes.
Breakfast combines local dishes with familiar morning favourites. You may find a rice bowl topped with Fujinosuke salmon, a Yamanashi-raised fish descended from king salmon, as well as milk hoto made with local dairy ingredients. Mini hot dogs, pancakes, eggs, fruit, salads, and other Japanese and Western dishes complete the buffet.
French toast is made with Yatsugatake Kogen milk and eggs from Kurofuji Farm, then served with Yamanashi-inspired jams such as white peach, yuzu, and rhubarb. Breakfast is normally served from 7:00 to 9:30, with final entry at 9:00, and dining time is generally limited to 60 minutes.
Food labels identify nine major allergens: eggs, milk, wheat, buckwheat, peanuts, shrimp, crab, walnuts, and cashew nuts. All food is prepared in shared kitchen areas, so complete separation from allergens cannot be guaranteed.
Onsen and Wellness
The second-floor bathing area uses Kai-Oizumi Onsen water, classified as a sodium bicarbonate spring. This type of water is known for its gentle, smooth feel and is often called a skin-beautifying spring in Japan.
The water is adjusted with added water and heat, then maintained through a circulation and filtration system. This is not an untreated, continuously flowing source.
The open-air rock bath places you beneath the highland sky. In the morning, you may hear birds in the surrounding trees, while clear evenings give you the chance to look up at the stars. The bath is enclosed for privacy, so it does not provide open views across the mountain range.
The spacious indoor bath looks towards the surrounding greenery through large windows. Separate bathing areas serve men and women, and both sides also include a sauna. Body soap, shampoo, conditioner, baby soap, baby baths, children’s bath seats, and assistance chairs are available in the bathing area.
The changing rooms include hairdryers, cotton buds, fans, a water cooler, a baby-changing bed, and weighing scales. You should bring the towels prepared in your room when you visit the baths.
The baths are normally open from 5:30 to 10:00, with final entry at 9:30, and from 15:00 to midnight, with final entry at 23:30. Bathing is reserved for overnight stays, and day-use access is not available.
After your soak, you can rest on a sofa in the Onsen Lounge and enjoy the available drinks. The lounge is softly lit and opens from 15:00 to 23:00.
Grand Mercure Yatsugatake Resort & Spa does not have private hot spring baths or hot spring baths inside the rooms.
Guests with Tattoos
You may use the shared baths when your tattoos can be completely concealed with no more than two cover stickers measuring 8 by 10 centimetres each. Cover stickers are available on site.
You cannot enter the indoor bath, open-air bath, or sauna when your tattoos are too large to be fully covered by the two permitted stickers. Private bathing is not available.
Facilities
Grand Mercure Yatsugatake Resort & Spa includes Le Sensoriel buffet restaurant, the Forest Lounge, the Executive Lounge, the Onsen Lounge, the rooftop Yatsugatake SoRa Deck and Astronomical Dome, the Mori no 8 indoor activity area, a forest walking path, outdoor tennis courts, a shop, a coworking area, a baby-care room, nursing rooms, a coin laundry, massage chairs, luggage lockers, water servers, complimentary Wi-Fi, a smoking booth, and on-site parking.
The third-floor Forest Lounge has tatami flooring, low tables, cushions, board games, toys, and around 4,000 books connected with Yatsugatake. The collection includes novels, picture books, photography books, comics, and reading material for different ages. On clear days, you can see Mount Fuji beyond the windows. Drinks and sweets are served during the afternoon.
The first-floor Executive Lounge is reserved for Executive Twin and suite stays. It serves sparkling wine, Yamanashi wine, beer, locally produced shochu, yuzu tea, and snacks made with regional ingredients. Offerings change according to the time and season.
The Baby Friendly Room provides useful items such as a child’s toilet seat, baby shampoo, body soap, diaper bags, and additional towels. Nursing rooms are available inside Mori no 8, while the first-floor coworking area gives you a quiet place for reading or work.
Activities
Begin with the Yatsugatake SoRa Deck and Astronomical Dome on the rooftop. During the day, you can look towards Yatsugatake, Mount Fuji, and the Southern Alps. After dark, clear conditions reveal the stars above the highlands.
A star-viewing session normally takes place on the SoRa Deck from 20:00 to 21:30 when the weather allows. You do not need to reserve a place. When clouds, rain, or strong winds prevent rooftop viewing, a seasonal night-sky presentation may take place inside Mori no 8 instead. Conditions and times can change, and warm outdoor clothing is important during colder months.
The Saezuri no Komichi forest path lets you explore the grounds at a slower pace. One circuit takes around 30 minutes and passes through woodland where you can listen for birds. The path is unpaved, so walking shoes or trainers are recommended.
Mori no 8 turns the basement floor into a large all-weather play area. You can find a climbing and activity tower with slides, ladders, tunnels, net bridges, and uneven cushions, together with bouldering, hand-powered vehicles, and a drift-tricycle circuit. A separate Kids Mountain area provides rounded play equipment for younger children.
The Forest Lounge floor adds a wooden train room, a sound room with musical toys, and an activity room with a wooden ball pool and balance equipment. Mori no 8 also includes football games and six table-tennis tables. Opening hours differ between the basement and third-floor areas.
Two outdoor tennis courts are available during suitable weather. Rackets and balls are provided beside the courts, and you can begin playing without making a formal reservation.
Beyond the resort, you can visit Kiyosato Terrace for elevated views across the plateau, stop at Seisenryo for dairy products and its footbath, or explore Yatsugatake Energy Farm for seasonal agricultural experiences. Mountain trails, scenic drives, farms, and viewpoints across Hokuto give you plenty of ways to spend a full day outdoors.
Additional Features
Check-in begins at 15:00, and check-out is by 11:00. You can complete the arrival procedure from 13:00, although room access still begins at the standard check-in time.
A complimentary shuttle connects Kai-Oizumi Station with the resort several times during the day. Advance reservations are not required, but seating is limited and available in order of arrival. The journey takes around three minutes.
Complimentary Wi-Fi is available throughout the building. Water servers operate around the clock on the accommodation floors, and a water pitcher is prepared in your room. Luggage lockers are available in the first-floor lobby before check-in and after check-out. The resort does not provide lunch service or a swimming pool.
