ホテル国富アネックス
Riverside hotel in Itoigawa with open-air bath and men's sauna
Last entry for day-use bathing and the sauna is 20:00. Overnight guests have different hours: the large bath is open 15:00 to 24:00 and 6:00 to 9:30 (cleaning from 9:30).
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Men only. There is no sauna for women.
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
A hotel beside the Himekawa river in Itoigawa Onsen. The large bath has separate indoor and open-air baths for men and women, and the open-air bath looks out toward the river. The water is salty, smooth on the skin and has a slight mineral smell that bathers tend to either like or just notice. Men also get a Finnish-style sauna where you pour the water onto the stones yourself; there is no sauna for women. Day visitors can use the baths (higaeri nyuyoku, 日帰り入浴), and there is free parking. The building shows its age but is kept clean, and the feel is closer to a business hotel than a traditional ryokan.
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Last updated October 13, 2026