Observation deck overlooking Bitchu Matsuyama Castle floating in a sea of ​​clouds (Sea of ​​Clouds Observation Deck)

The sea of ​​clouds occurs from late September to early April, from dawn until around 8:00 a.m. You can expect thick morning fog especially in the early mornings from late October to early December. The sight of Bitchu Matsuyama Castle floating in the sea of ​​clouds is fantastical, and it's a recommended spot that everyone will want to take photos of.