Onsen with an open-air bath in Nagano
Rotenburo — bathing outdoors, which is what most people picture when they picture an onsen.
Photo
Furusato-no-Yu
麻釜温泉公園 ふるさとの湯
Policy not published (day visit)
Photo
Kanaguya
歴史の宿 金具屋
Policy not published (overnight)Private bath
Photo
Jigokudani Onsen Korakukan
地獄谷温泉 後楽館
Policy not published (day visit)Policy not published (overnight)Private bathDay visits without staying
Photo
Kaede-no-Yu
湯田中駅前温泉 楓の湯
Policy not published (day visit)