Suzumushiso
Suzumushiso is a hot-spring inn and day-bathing facility in Matsukawa Village, Nagano, owned by the village and known for its radon spring and cricket song.
Last updated September 29, 2026
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Overview
Suzumushiso (すずむし荘) is a hot-spring inn and day-bathing facility located in Matsukawa Village, Kitaazumi District, Nagano Prefecture, Japan. It is a public onsen facility established by the village under its "Matsukawa Village Onsen Facility Establishment and Management Ordinance," which states the facility aims to contribute to the welfare and health promotion of local residents and to revitalize the region through urban exchange involving agricultural, forestry and fishery experiences, serving as a place for health and recreation. The village succeeded in drilling for hot spring water in 1991, and Suzumushiso opened the following year, in 1992. The facility is currently operated by Fun Space Co., Ltd. The building was designed by architect Tadanao Miyamoto. It is a two-story steel-reinforced concrete structure with a total floor area of 3,021 square meters. Works by Chihiro Iwasaki and local artists are displayed throughout the building. From summer to autumn, the chirping of crickets (suzumushi) kept at the facility echoes through the lobby, giving the inn its name. The inn has 11 guest rooms with a capacity of 49 people: five Japanese-style rooms (10 tatami mats), five Western-style rooms (14 tatami mats, maximum 4 people), and one special room (an 8-tatami Japanese room plus a Western-style room). The facility includes "Restaurant Radice SUZUNE," open for lunch only and offering a pasta lunch. For overnight guests, creative cuisine is offered in two courses: a "Standard Course" featuring Fukumi chicken as the main dish and a "Premium Course" featuring Alps beef. Banquets can accommodate from 4 to 80 people. Guest lodging is open year-round; day bathing is closed on the fourth Thursday of each month (open if it is a holiday); the restaurant is closed on Thursdays. The hot spring source, "Natural Radon Marao Tenguiwa Onsen," is located 1,800 meters underground on Mount Marao, and water is piped about 5 kilometers to the facility. Both the men's and women's baths have large indoor baths and open-air baths. There is also a "Fureai no Yu" bath for overnight guests. The spring quality is a simple weakly radioactive hot spring (weakly alkaline, low-expansion spring), pH 8.1, temperature 30.5°C (always heated, no water added, partially free-flowing). Its claimed benefits include neuralgia, muscle pain, joint pain, frozen shoulder, motor paralysis, joint stiffness, bruises, sprains, chronic digestive diseases, hemorrhoids, cold sensitivity, recovery from illness, fatigue recovery, health promotion, gout, arteriosclerosis, hypertension, chronic cholecystitis, gallstones, chronic skin diseases, and chronic gynecological diseases. Access: about a 20-minute walk from JR Oito Line's Shinano-Matsukawa Station; a reservation-only shuttle bus from Shinshu Matsumoto Airport; a courtesy bus for banquet guests; about a 5-minute walk from the Azumino Chihiro Art Museum bus stop on the Azumino Enjoy Bus and Shinano-Omachi Excursion Bus; and the Shinshu Matsumoto Airport shuttle stops at Suzumushiso. By car, it is 20 kilometers (about 20 minutes) from the Nagano Expressway's Azumino Interchange, with parking for 120 standard cars and 5 large buses.
History
Suzumushiso is a public hot-spring facility in Matsukawa Village, Nagano Prefecture. The village succeeded in drilling for hot spring water in 1991 (Heisei 3), and the facility opened the following year, 1992 (Heisei 4), as Suzumushiso. It was established under the "Matsukawa Village Onsen Facility Establishment and Management Ordinance," which defines its purpose as contributing to the welfare and health promotion of local residents and revitalizing the region through urban exchange involving agricultural, forestry and fishery experiences, serving as a place for health and recreation. The building was designed by architect Tadanao Miyamoto. It is a two-story steel-reinforced concrete structure with a total floor area of 3,021 square meters. The facility displays works by Chihiro Iwasaki and local artists, and from summer to autumn the chirping of crickets kept at the facility echoes through the lobby. The inn has 11 guest rooms with a capacity of 49 people, and includes a restaurant, banquet facilities, and hot-spring baths. The hot spring source, "Natural Radon Marao Tenguiwa Onsen," is drawn from 1,800 meters underground on Mount Marao, about 5 kilometers away. The facility is currently operated by Fun Space Co., Ltd.
- 1992
Suzumushiso opens as a hot-spring inn and day-bathing facility.
- 1991
Matsukawa Village succeeds in drilling for hot spring water.
Products and positioning
A public village-run hot-spring inn and day-bathing facility combining health promotion, local exchange, and cultural displays.
Day bathing
Open to day visitors; closed on the fourth Thursday of each month (open if a holiday).
Overnight lodging
11 rooms, capacity 49; open year-round.
Restaurant Radice SUZUNE
Lunch-only pasta lunch; closed Thursdays.
Banquet services
Accommodates 4 to 80 people.
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