Shimo Oyu Kyodo Yokujo
下大湯共同浴場
Old-fashioned communal bathhouse with hot and lukewarm tubs
Day Use
YesOpen every day. Last entry 21:30. The 2nd-floor rest room is closed from January to March.
Adults (junior high and up) 150 yen, elementary school children 100 yen, preschoolers free. Using the taps and shower needs a hair-wash ticket, 100 yen extra. The 2nd-floor rest room is 300 yen per person.
Policies & Services
Relaxation space for after bathing
Paid rest room upstairs, closed January to March.
On-site or nearby parking available
About
Shimo Oyu is one of the communal bathhouses (kyodo yokujo, 共同浴場) in Kaminoyama onsen town. You buy a ticket from a machine, hand it over at the front desk, and step into a Showa-era bathroom with two tubs: a properly hot one and a lukewarm one to ease into. Many people go back and forth between the two. The taps and shower only work with a separate hair-wash ticket, and there is a paid rest room upstairs. It is a simple, local place that fills up with regulars early in the morning, and day-use bathing (higaeri nyuyoku, 日帰り入浴) is open to visitors too.
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Last updated October 11, 2026