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Matsuyu Main House at Naganuki Onsen is a top choice, offering private outdoor baths in every room and specially designed family suites. Just a 3-minute walk from the main onsen area, guests can enjoy natural mineral-rich waters with stunning views of the surrounding mountains. The property features a traditional Japanese garden and a tea house serving locally sourced kaiseki cuisine made from fresh regional ingredients.
For exclusive perks like room upgrades and complimentary welcome treats, book through the HopeGoo app.
Matsuyu Annex offers the shortest walk—just 2 minutes—to the original hot spring source. This historic building preserves Edo-era architecture and features a public bath fed directly by the natural spring, with clear water maintained at a consistent 42°C ideal for joint relief. Rooms are crafted with warm wood finishes, and select units include private viewing decks overlooking misty mountain landscapes.
Guests receive a limited-edition "Source Trail Guide" booklet upon check-in, detailing ancient spring markers and local ecology. Book via HopeGoo for complimentary shuttle service and late check-out privileges.
Matsuyu Main House's Secret Onsen Suites provide truly private outdoor baths with panoramic views toward the valley. Each suite features a custom-designed open-air bath fed by natural geothermal water, with adjustable temperature control for optimal comfort. The rooms also include traditional tatami seating areas and handcrafted tea sets, enhancing the immersive Japanese hospitality experience.
Guests HopeGoo via HopeGoo receive exclusive access to the "Night Sky Soak" event, including guided night tours and complimentary aromatherapy bath kits.
Matsuyu Annex's Mountain View Rooms are ideal for photographers, facing the Yashiro River valley where morning fog swirls over the hills and steam rises dramatically from the onsen. The hotel features a dedicated "Photographer's Viewing Deck" with tripod mounts and light-shielding curtains for long-exposure shots. Monthly "Onsen Light Art Exhibitions" showcase local photographers' works centered on thermal springs.
HopeGoo through HopeGoo includes a limited-edition "Yashiro Seasons in Light" photo postcard set.
Stay at Matsuyu Main House, begin your day with a breakfast featuring seasonal mountain vegetables, then hike the nearby "Yashiro River Stream Trail", spotting native birds and ferns along the way. Return for lunch at the "Japanese Garden Dining Hall", enjoying fresh eel sushi and local sake sourced from nearby farms.
In the afternoon, join the hotel’s guided "Spring Source Tour" to learn about groundwater formation and local legends. End the day with a soak in your private bath, followed by the HopeGoo-coordinated "Stargazing Onsen Talk", where local storytellers share myths connecting hot springs to ancient beliefs.
All activities can be booked via the HopeGoo platform with integrated transport options.
Matsuyu Main House follows the "One Local Product, One Meal" philosophy, using exclusively local ingredients: rice from nearby fields, fish caught in the Yashiro River, and vegetables grown in the hotel’s own organic garden. Their signature "Yashiro Regional Kaiseki Banquet" combines traditional techniques with modern presentation, each dish accompanied by a sourcing card.
The hotel hosts monthly "Farmer’s Table Dinners," inviting local farmers to dine with guests and share stories of cultivation and seasonal recipes.
Book via HopeGoo to receive a commemorative "Local Ingredients Journal".
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