[2025 Semboku ] Travel Guide for Kuroyu Onsen (Updated Mar)

#japantrip Kuroyu Onsen, a historic hot spring nestled in Akita Prefecture’s scenic Nyuto Onsen area, offers an enchanting escape into nature and tradition. Established over 300 years ago, this secluded retreat is known for its rustic wooden architecture and serene atmosphere, making it a favorite among onsen enthusiasts. The milky, sulfur-rich waters are believed to have healing properties, soothing both body and mind. Visitors can enjoy open-air baths (rotenburo) surrounded by dense forests, offering breathtaking views of seasonal landscapes, especially the vibrant hues of autumn or the snow-blanketed winter scenery. With simple accommodations and a tranquil setting, Kuroyu Onsen promises an authentic, rejuvenating Japanese hot spring experience far removed from the bustle of modern life.

#japantrip Kuroyu Onsen, located in Akita Prefecture’s Nyuto Onsen area, is a rustic hot spring retreat surrounded by lush forests and mountains. This traditional ryokan-style onsen has been welcoming visitors for over 300 years, offering an authentic experience of Japan’s onsen culture. Renowned for its milky, mineral-rich waters, Kuroyu Onsen is said to promote relaxation and healing. Its tranquil outdoor baths, or rotenburo, provide stunning views of the changing seasons, particularly the vibrant colors of autumn. With its remote location and traditional charm, Kuroyu Onsen is perfect for those seeking peace, natural beauty, and a deeply restorative Japanese hot spring experience.

Kuroyu Onsen is one of the hot springs in Nyuto Onsen Kyo Village, a famous hot spring resort surrounded by nature. Located in Towada Hachimantai National Park, there is a hot bath and breakfast on site for guests who drive. #dreamvoyage Soaking in the hot spring here is comfortable, the atmosphere is good, and they take good care of you. It is suitable for families.

Kuroyu Onsen Located in Semboku City, Akita Prefecture, Tohoku Region, Japan. A hot spring in the deep forest surrounded by mountains, it is one of the 7 hot springs of Nyuto Onsen Kyo. Kuroyu Onsen is nicknamed the black hot spring because you can boil eggs until they turn black. It is famous for its hot springs surrounded by nature, beautiful scenery of thatched-roof houses and quiet wooden huts, where you can see the hot springs coming out from underground. #discoveryourownjapan #japantohoku #akita

Kuroyu Onsen is one of the 7 Onsen located in the mysterious Onsen village Nyuto Onsen. Nyuto Onsen is a village hidden in the Towada-Hachimantai National Park in Akita, Japan. To get to this mysterious village, you have to drive your own car. The road is winding and surrounded by mountains, making it difficult to access. This makes it quiet and there are few foreign tourists. Kuroyu Onsen is famous for making Onsen eggs. The water contains sulphur, which makes the boiled eggs black. Another famous thing about this village is that it has an outdoor Onsen bath where you can see a beautiful sunset. It is also a mixed bath (konyuku), which is very rare in Japan these days. The hotel has free parking, but you have to carry your luggage down the stairs yourself, which is quite far. Some of the receptionists can understand English. The building is a black wooden building that looks very old, like you have wandered into the Edo period. The rooms are shabby and old, but clean. There are 3 small indoor Onsen baths and 5 outdoor baths. I didn't try the mixed bath because they didn't allow you to wear a towel. Dinner is a kaiseki set, Japanese food, delicious, lots of food, very full Breakfast also comes as a set, Japanese food, delicious Because the road is a winding mountain, heavy snowfall, making it inconvenient to travel to stay. This village is closed from mid-November to mid-April every year. In October, the autumn leaves are very beautiful. Soak in the hot spring amidst the view of red leaves. Come in early November, the sky gets dark very early, the weather is cold. The hot spring water is milky white, very hot, it is real hot spring water, with a sulphur smell.