Yatsugatake Nature and Culture Park

八ヶ岳自然文化園

Yatsugatake Nature and Culture Park at Hara Village 17217-1613, Suwa District, Nagano Prefecture (postal code 391-0115; telephone 0266-74-2681) is a highland park with a planetarium, science exhibits, rental bikes, and seasonal outdoor attractions. Official pages list a combined planetarium-and-exhibit ticket at 800 yen for adults and 500 yen for elementary and junior-high students, with preschool children free when accompanied. Several outdoor facilities such as putter golf operate from mid-April through late November and close in winter from December to mid-April, subject to snow. Confirm park entry rules and attraction hours before travel.