University and high school festivals (gakuensai, bunkasai) in Yamanashi, by month; most are in autumn. Some are open to the public; check each school's rules before you go.
October 2026
梨医祭（山梨大学）University festival · Oct 24–25, 2026 · Yamanashi
樹徳祭（山梨学院大学）University festival · Oct 24–25, 2026 · Yamanashi
山梨県立農林高等学校 文化祭High school festival · Oct 28, 2026 · Yamanashi
桂川祭（都留文科大学）University festival · Oct 29–31, 2026 · Yamanashi
甲府市立甲府商業高等学校 文化祭High school festival · Oct 29–30, 2026 · Yamanashi
紅楓祭（山梨英和大学）University festival · Oct 31 – Nov 1, 2026 · Yamanashi
November 2026
梨甲祭（山梨大学）University festival · Nov 6–8, 2026 · Yamanashi
富桜祭（山梨県立大学）University festival · Nov 7, 2026 · Yamanashi
航空祭（日本航空高等学校）High school festival · Nov 21–22, 2026 · Yamanashi
誠祭（日本大学明誠高等学校）High school festival · Nov 27–28, 2026 · Yamanashi