Ōmachi Energy Museum

大町エネルギー博物館

Ōmachi Energy Museum at Taira 2112-38, Ōmachi City, Nagano Prefecture (postal code 398-0001) presents science and energy exhibits with indoor and outdoor displays. Official pages list opening hours from 9:00 to 16:30 with last admission 30 minutes before closing. Closed on Wednesdays and Thursdays, and closed for winter from December through March. Admission is 500 yen for adults, 400 yen for junior-high students and Montbell Club members, and 200 yen for elementary students, with one preschool child free per accompanying guardian and a 10 percent discount for groups of 30 or more. Confirm winter reopen dates before travel.