Koishi Onsen

Koshi Onsen is a natural hot spring with a simple composition (weakly alkaline, low salinity, and high temperature) that flows directly from the source. It is effective for conditions such as neuralgia, muscle pain, joint pain, and frozen shoulder. It has the power to heal both the mind and body, making it particularly recommended for refreshing tired bodies. Surrounded by abundant nature, enjoy a comfortable soak and leisurely time at Koshi Onsen. A stay that takes advantage of the benefits of the hot spring is sure to become a wonderful memory of your trip.

At Koshi Onsen, there is the historic Oiwa Bath. In this large bathtub, you can enjoy a pleasant hot spring. The spring water gushes out from the torii gate and flows into the bath, soothing your heart with its softness. In particular, it is said that if you stroke the large stone called "Kodakaraishi," you will be blessed with fertility. This effect is due to the simple hot spring water quality with low stimulation and gentle warmth. The lukewarm water warms the core of your body and helps prepare your body for pregnancy. Make a wish for fertility and spend a special time in the Oiwa Bath.

At the Ebisu no Yu hot spring in Kozu Onsen, there are wonderful outdoor baths attached to the men's and women's baths. The outdoor bath, which continues from the indoor bath, is a luxurious space where you can fully enjoy the rich nature of Oku-Kozu. The beautiful scenery of the four seasons will surely soothe both your body and mind. The outdoor bath at Ebisu no Yu provides a special moment as if you were embraced by nature itself. It's the perfect place for those seeking a luxurious hot spring experience and to forget the hustle and bustle of daily life. Please enjoy the ultimate relaxation while soaking in the nature of Oku-Kozu.

The inn in Koshi Onsen boasts comfortable Japanese-style rooms that evoke a sense of traditional Japan. Relax on the tatami mats while enjoying the breathtaking views of the beautiful nature in all four seasons. The stunning scenery woven by the rich surrounding nature is a luxurious view unique to this place. The changing seasons offer various expressions of the scenery, making it the perfect place to spend a relaxing time and calm your mind. Surrounded by the beautiful nature of Koshi Onsen, you can spend a blissful moment. Please take a break from the hustle and bustle of everyday life and enjoy a luxurious moment at this inn with a Japanese atmosphere.

At Koshi Onsen, you can enjoy exquisite kaiseki cuisine that utilizes the blessings of nature. We use the bounties of the deep mountains and clear streams nurtured by the beautiful nature of each season, and offer delicacies such as Aizu horse sashimi, wagyu beef, and river fish that are cooked with delicate techniques. You can enjoy each dish that delights your taste buds along with the beautiful scenery, making it a special moment that can only be experienced here. This is a luxurious culinary experience that satisfies not only your stomach but also your heart, as you can feel the chef's spirit in each dish.