A communal bathhouse in Nayu and Yumura Onsen in the northwestern part of Hyōgo prefecture. Yumura Onsen was reportedly discovered by Jikaku Daishi about 1150 years ago. The Motoyu, which springs up on the banks of the Harugi River, a tributary of the Kishida River, is called "Arayu", and the high hot spring of 98 degrees Celsius springs up as much as 470 liters per minute. Yakushayu is a place where you can enjoy this hot spring, which is rich in hot water, for a fee like a bath bath. The spring quality of the hot spring is colorless and transparent baking soda springs. There is emulsifying action of the skin, it takes old skin and dirt of pores. The Japanese-style building is a quaint construction with a watchtower on a tiled roof. The bathhouse has an inner bath with an open-air bath and a service bath.

It is located on the banks of the Harugi River, near the Arayu sightseeing center and Nagomi Cafe Yume Yaya, and you can enjoy free foot baths. Every Sunday, a contact morning market (May to December Sunday around 6:30) is held nearby. The total length of the foot water is 20m, the bench is 16, and the water is also stopped because the electric valve stops from 0 to 5 o'clock.

A sauna facility in the basement of Tochiizumi, the birthplace of Tochimochi, a specialty of Yumura Onsen. It uses the geothermal heat of the source in the basement of the store, and receives a casual style that allows people to enter while wearing clothes.