行田・湯本天然温泉 茂美の湯ぎょうだ ゆもとてんねんおんせん もみのゆ
Open every day of the year, though the facility notes occasional unscheduled closures.
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Cold water plunge bath, typically used after sauna
Shared bathing area for all genders
Baths swap gender assignment daily (left/right, even/odd day) but each side is always single-gender; no mixed bathing offered.
Allows entry with visible tattoos
One aggregator listing (nifty onsen) implied tattoos were tolerated, but the official site explicitly bans tattoos/stickers/paint-on tattoos; kept the official statement.
Welcomes children and families
Children (including those in potty-training) and adults wearing diapers are refused entry to the baths.
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
Momi no Yu is a large day-use bathing complex in Gyoda. The men's and women's sides swap places daily, and each side has an indoor hinoki tub, a sauna, and outdoors, a whole scatter of small pools rather than one big rotenburo. The little tubs are named after things nearby (an old burial mound, a lotus pond) and each runs at its own temperature, from a gently cooled soak in the afternoon to a hotter one up on a rise. All of them draw from the same spring, and the water feels soft and smooth on the skin. A separate cold bath, filled straight from groundwater, is deep enough to properly submerge in and is something of a favorite among regulars. Beyond the baths there is a restaurant, a rest floor with manga to read, and even an in-house theater for taishu engeki shows. A few resident cats hang around the front desk, and spotting them is part of the fun for regulars.
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Last updated July 23, 2026