RYOKANS providing rooms with private open-air baths
Book Hotel Boun in Kusatsu Onsen (Gunma)―― A modern Japanese style ryokan on a central highland overlooking the Kusatsu hot spring town.
Access: Two hours 30 minutes by JR Limited Express from Ueno Station to Naganohara-Kusatsuguchi Station, then 25 minutes by bus to Kusatsu Onsen Bus Terminal and 2-min shuttle bus ride (or 7 minutes by on foot) from there
Private Onsens (For couples, families, tattoo wearers)
Rooms with open-air hot spring baths available: 4 rooms
Spring quality/qualities (Please refer to this page for the health merits)
Acid spring, Sulfur spring, Sulfate spring, Chloride spring
Top hot spring resort – Kusatsu
An acidic bath. It has been known as a popular bath from days of old, and is one of the three most famous hot springs in Japan. With an output that is the largest in Japan amongst naturally occurring hot springs, this hot spring boasts a potent disinfectant power. This acidic bath has been known as a popular bath from days of old, and displays incredible potency in hot spring therapy effects. The water is good for neuralgia, fatigue, skin problems, etc.
Tourist spots nearby
Kusatsu Onsen, Yubatake, Mount Shirane (Yugama), Karuizawa
Year of establishment
Number of rooms
*Smoking is prohibited in all rooms