Lake Haruna’s only natural hot spring, Harunako Onsen, is located in a place where you can get a whole view of Lake Haruna which reflects mysterious expressions and beautiful nature. The onsen that flowingly springs out from deep within the ground, has a fine and smooth quality, and is an abundant natural hot spring gentle on the skin. You can enjoy a happy moment getting rid of your tiredness while bathing, relaxing your heart, and being enveloped by happiness with the backdrop of Haruna with its changing expressions with each nature. The somewhat cloudy hot spring is abundant, gentle on the skin, and has many benefits. You can enjoy it as a day trip onsen, and the lodging facility is satisfying so you can use it to fit your purposes. How about healing your body with the natural hot spring, with the beautiful nature you can enjoy according to each season at Mt. Haruna, one of the Jomosan mountains?