Observation deck overlooking Bitchu Matsuyama Castle floating in a sea of ​​clouds (Unkai Observatory)

The sea of ​​clouds occurs from late September to early April from dawn to around 8 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 a sea of ​​clouds is fantastic, and it is a recommended spot that everyone would love to take a photo of.