Around Mount Mashu (Kamui-nupuri) × Recommended Hotel·Ryokan

A rare highly acidic sulfur hot spring in the country. In 2021, the property featuring a completely natural ph1.7 spring underwent renovation. The interior has been transformed into a modern and tranquil space. Dinner is served in a bright dining area with white wood, where you can savor Hokkaido Wagyu beef and seafood from the Sea of Okhotsk. Enjoy unforgettable hot springs along with nature experiences at Lake Kussharo and Lake Mashu.

A youth hostel that has stood for 50 years at the foot of the mystical Lake Mashu, known for having the second-highest water transparency in the world. Located at the end of a straight road surrounded by ranches and grasslands, this Property, closest to Lake Mashu, offers a tranquil and comforting space for everyone. Here, you will find freedom and room to breathe. Feel the pure breeze from Lake Mashu and be enveloped by a sky full of stars and the sounds of animals at night. This is a place where travelers from all over Japan, as well as from Europe, America, Asia, the Middle East, Oceania, and beyond, gather. The intersection of diverse backgrounds and values here creates new discoveries, surprises, joy, and inspiration. We look forward to welcoming you amidst the great nature of Eastern Hokkaido!

The hotel at Kawayu Onsen, renowned for its therapeutic benefits, offers "Acidic Alum Onsen" with natural flow, without water addition or circulation. There are three onsen baths available with "high, medium, and low" temperature settings. The rooms are filled with nostalgic items such as tea cabinets and low tables, and meals can be enjoyed around a traditional hearth. Rooms with tatami beds are also available, but limited in number, so please confirm during reservation. Enjoy the nostalgic atmosphere and delicious meals along with the onsen.

■Renewed and Reopened in July 2025■ Redesigned with the concept of "Stay as if Living," all rooms have been transformed into spacious suites. Perfect for long-term stays, groups, or families, the rooms now offer enhanced comfort and include a fully equipped laundry room. "NUPPUKOTTE" means "Connected to the Wilderness." Located in Teshikaga, where untouched landscapes meet sometimes harsh nature, we aim to become a hub for environmental culture. Experience extraordinary moments surrounded by iconic natural wonders of Hokkaido such as Lake Mashu, Lake Kussharo, and Mount Io with their breathtaking scale. Enjoy unique culinary delights featuring "Mashu Venison" sourced from skilled hunters as the centerpiece of our seasonal dinner courses and beautifully crafted breakfast boxes—exclusively at NUPPUKOTTE.

In the heart of Eastern Hokkaido, on a vast property blessed with clear streams fed by the underground water of Lake Mashu, we have created a European-style country house featuring a Hotel building, Outfitters' House, stables, riding grounds, gardens, and a farm. Within these Facilities, you can enjoy a relaxing "stay," savor "dining" made with locally sourced ingredients, and experience "activities" such as horseback riding, fishing, and nature watching. Through these experiences, we hope that at Hazel Grouse Manor, you will feel the unique climate and nature of this land firsthand.

The starry skies around Polaris are among the best in Japan!On moonless nights, turn off all the lights and enjoy a sky full of stars in one of the darkest areas in the country.Set away from neighboring homes, this standalone house at the edge of wide fields is an ideal location to experience Hokkaido’s nature.You may also spot wild birds in the area, such as long-tailed tits and great spotted woodpeckers.A small pension where you can fully enjoy northern wilderness in every season—spring, summer, autumn, and winter.

The hosts of this property are a traveling couple who moved from Kanto, enchanted by Lake Mashu. The building is old and evokes nostalgia for the Showa era, but please relax in the natural onsen to relieve your travel fatigue! The host, who loves traveling and has camped 200 nights at Lake Mashu, will introduce hidden spots around Lake Mashu, Lake Kussharo, and Lake Akan. Cyclists and riders are welcome! Mountain climbers, campers, and workers are also encouraged to use the facilities.

SANSUI is a private rental Hotel on the shores of Lake Kussharo, within Akan-Mashu National Park, surrounded by Hokkaido’s magnificent wilderness.In this land where primeval forests and rare flora and fauna have long protected a rich ecosystem,100% free-flowing Onsen water from a mineral-rich natural spring soothes you to the core—mind and body.Enjoy a private sauna, a campfire, canoeing or SUP on the lake, or morning yoga on the wood deck.Feel yourself return to nature as you listen to birdsong and watch the ever-changing lake and vast sky.The luxury of doing nothing is also time well spent here.In beautiful nature that awakens all five senses, spend your time just as you wish.