It is said that a samurai ghost can be seen here because fugitive Mitsuhide AKECHI was killed around the present-day Kazan Tunnel after he fought in the Battle of Yamazaki.
明智光秀が山崎の合戦の後逃亡の末討たれた場所がこの花山トンネル付近であると言う事から武士の姿が見えたりすると言う。