Median Tectonic Line Museum

中央構造線博物館

Median Tectonic Line Museum at Ogawara 988, Oshika Village, Shimoina District, Nagano Prefecture (postal code 399-3502; telephone 0265-39-2205) explains Japan's Median Tectonic Line with indoor displays, a rock garden, and outdoor observation sites. Official pages list hours from 9:30 to 16:30. Closed on Tuesdays and from 28 December to 3 January, though the museum opens on Tuesdays that fall on public holidays from April through November. Admission is 500 yen for adults and 200 yen for junior-high and high-school students; elementary students and Oshika residents enter free, and groups of 20 or more pay 300 yen per person. Confirm the opening calendar before travel.