中山平温泉 しんとろの湯なかやまだいらおんせん しんとろのゆ
Temporary closures in July for facility maintenance; see the website for dates.
Adults ¥500, elementary school children ¥250, preschool children free. Cash only.
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Shared bathing area for all genders
Allows entry with visible tattoos
Large tattoos are refused entry. Small tattoos may be permitted (reviewer confirmed small tattoo ok).
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
Shintoro no Yu is a day-use bath in the Nakayamadaira Onsen (中山平温泉, Nakayamadaira Onsen) area of Miyagi. The place is compact: one indoor bath, no rotenburo. What draws people is the water itself, an alkaline sulfur spring that runs fresh and unblended (kakenagashi, 源泉かけ流し), famously smooth and slippery on the skin. The name shintoro (しんとろ) comes from that silky quality. A small shop and food counter are on site.
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Last updated June 25, 2026