Hirugami Onsen · Tenryukyo Onsen × Top-Selling Stays in the Last 24 HoursRecommended Hotel·Ryokan

Keigetsu Matsubayashi, a master of Sansui Kachoga (landscape and bird-and-flower paintings), lived through the Meiji, Taisho, and Showa eras. Renowned for his artistic talent, he left behind numerous works. He also composed Chinese poetry in five-character verses inspired by the natural beauty of Ina Valley. The name "Nichichoan Keigetsu" originates from "Nichichoan," which Keigetsu himself named after this poetry for the retreat of a previous owner.

You can enjoy a relaxing time in a space themed around seasonal fairy tales. Delight in the tranquil interior decorations that evoke a sense of nostalgia. From guest rooms filled with the scent of rush grass, you can admire the beautiful seasonal views. The Onsen, with its velvety waters, leaves your skin smooth as if wrapped in a veil, and the open-air bath offers stunning stargazing opportunities. Experience the seasons through delightful dishes made with ingredients from Shinshu.

An open-air bath with a starry sky view and the smooth Hirugami Onsen are highly praised at this tranquil property. Enjoy the forest open-air bath, skin-beautifying hot springs, and seasonal mountain village cuisine in the Satoyama of Achi.

The oldest Ryokan in Hirugami Onsen, nestled in the rich nature of Southern Shinshu. The popular cave bath features the first-ever hot spring source of Hirugami Onsen, offering an abundant flow and a variety of baths worthy of its name as the origin. The pH 9.7 water is also known as Shingen's hidden onsen and a beauty-enhancing bath, making it irresistible to bathe multiple times during your stay. In spring, vibrant peach blossoms bloom in abundance, and at night, Japan's best starry sky certified by the Ministry of Environment shines brightly. In 2023, some rooms were renovated to offer various Japanese-Western styles for your comfort. Enjoy relaxing moments with the sound of a flowing river while savoring seasonal dishes made with fresh ingredients and soaking in our spacious onsen facilities.

An accommodation located in the heart of Hirugami Onsen, renowned for its beautifying hot springs. Situated on a hill overlooking the Achigawa River, the special rooms offer stunning views of the Southern Alps and vibrant peach blossoms that bloom across the onsen village in spring, allowing you to enjoy a luxurious stay. At night, gaze at Japan's best starry sky from the open-air bath. The lush greenery and spacious open-air baths transform into an extraordinary and enchanting healing space where you can fully immerse yourself in the beautifying waters. For dining, we offer two options: authentic kaiseki cuisine or robatayaki enjoyed around an irori hearth. Savor Shinshu's local ingredients with elegant kaiseki dishes or lively robata-style meals to your heart's content.

Nestled in the Hirugami Onsen area of Achi Village, Minami-Shinshu—often praised as home to Japan’s finest starry skies—Oyado Sansui is an Accommodation where you can truly unwind. Enjoy the “beauty-skin bath” in an alkaline sulfur spring known for its silky feel, and savor seasonal cuisine for a luxurious moment of indulgence. A lounge with complimentary drinks is available, and from the guest rooms and corridors you can look out over “Suiten Tenjo Garden,” created by a Kyoto gardener. Let your spirit be refreshed by breathtaking scenery of waterfalls, stone gardens, and flowers—why not spend a blissful holiday here?

Choose between two distinct accommodation styles: Onsen Accommodation or Glamping, and enjoy a relaxing time away from the hustle and bustle of daily life. In the evening, savor meals prepared with an abundance of local ingredients. Our Kaiseki cuisine, served in a traditional irori setting, features carefully selected ingredients for you to enjoy. We also offer a dining venue where you can dine with your beloved dog, allowing you to spend quality time together throughout your stay. Our private sauna (available by reservation) offers a serene experience under the starry sky. Additionally, our onsen is available all night long for you to bathe at your convenience.