Day Use
Yes1,000 yen per person. Reception open 11:00 to 17:00, closes at 18:00. On Wednesdays, opens around 13:00.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Capabilities
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
Policies & Services
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
Relaxation space for after bathing
On-site or nearby parking available
Highlights
Drinking SpringAbout
Ominekan (大峰館) has been running since 1955 in Kamimoku Onsen (上牧温泉), a quiet hot-spring village in Minakami, Gunma. The inn draws water directly from its own spring on the premises and keeps it flowing fresh into the baths without heating or diluting, so what you get in the tub is the spring as it comes up. The water is clear and noticeably soft on the skin. There are both indoor baths and open-air rotenburo (露天風呂), each in separate men's and women's sections. Unusually, the spring holds a drinking permit, and the inn sets out a spot by the entrance where you can sip it straight from the source, plus chilled spring water in the post-bath lounge.
Loading map…
Reserve or check availability on a booking site.
No reviews yet
Be the first to share your experience!
Last updated June 25, 2026