Oyama City Museum

Museums

小山市立博物館

Oyama City Museum offers free general admission with special exhibitions on local history and astronomy-related events. Official pages list hours 9:00–17:00 with last entry at 16:30, closures on Mondays (except holidays), the day after holidays, the fourth Friday, and year-end, at 1-31-7 Otome, Oyama, and recent shows such as medieval Oyama documents and a Hossy★OYAMA special exhibition.