University and high school festivals (gakuensai, bunkasai) in Nagano, by month; most are in autumn. Some are open to the public; check each school's rules before you go.
October 2026
秋桜祭（佐久大学）University festival · Oct 25, 2026 · Nagano
ID祭（ID学園高等学校）High school festival · Oct 30–31, 2026 · Nagano
FUN2026（長野県立大学）University festival · Oct 31 – Nov 1, 2026 · Nagano
銀嶺祭（信州大学）University festival · Oct 31 – Nov 1, 2026 · Nagano