Onsen with an open-air bath in Gunma
Rotenburo — bathing outdoors, which is what most people picture when they picture an onsen.
Photo
Otakinoyu
草津温泉 大滝乃湯
Tattoos OK (day visit)Private bath
Photo
Sainokawara Rotenburo
草津温泉 西の河原露天風呂
Tattoos OK (day visit)
Photo
Kusatsu Onsen Naraya
草津温泉 奈良屋
OK in a private bath (day visit)OK in a private bath (overnight)Private bathDay visits without staying
Photo
Hotel Sakurai
草津温泉 ホテル櫻井
Tattoos not allowed (overnight)
Photo
Kusatsu Onsen Nisshinkan
草津温泉 日新館
Policy not published (overnight)
Photo
Ikaho Rotenburo
伊香保露天風呂
Policy not published (day visit)
Photo
Kishigon Ryokan
伊香保温泉 岸権旅館
OK in a private bath (overnight)Private bath
Photo
Sekizenkan
四万温泉 積善館
OK if covered (day visit)OK if covered (overnight)Private bathDay visits without staying
Photo
Shima Seiryu no Yu
中之条町営 四万清流の湯
Policy not published (day visit)
Photo
Shima Tamura
四万温泉 四万たむら
Policy not published (overnight)Private bath
Photo
Takaragawa Onsen Osenkaku
宝川温泉 汪泉閣
Policy not published (day visit)Policy not published (overnight)Day visits without staying
Photo
Minakami Hotel Juraku
水上温泉 みなかみホテルジュラク
Tattoos not allowed (overnight)
Photo
Hoshi Onsen Chojukan
法師温泉 長寿館
Policy not published (day visit)Policy not published (overnight)Day visits without staying