University and high school festivals (gakuensai, bunkasai) in Yamagata, by month; most are in autumn. Some are open to the public; check each school's rules before you go.
October 2026
八峰祭（山形大学）University festival · Oct 24–25, 2026 · Yamagata
創学祭（創学館高等学校）High school festival · Oct 30–31, 2026 · Yamagata
東北文教祭（東北文教大学）University festival · Oct 31 – Nov 1, 2026 · Yamagata