The Mountain Route of Darkness

The Dark Mountain Route (暗闇の山岳ルート, Kurayami no Sangaku Rūto) is the 859th overall episode of the Detective Conan animated series based from the manga of Gosho Aoyama. The episode aired in Japan on May 13, 2017.

Trivia

 * This episode is the 341st filler episode in the series.