The Nutagawa river, fog forms on the coast from Autumn to Winter.
Although this phenomenon has never been explained.
It is said that this phenomenon occurs mainly when the temperature of the water
and when the air flows upward on the surface of the water producing water vaper.
Most occurrences happen in the morning on sunny and chilly days.
The sea fog in Mihara, can be seen from Mt.
Fudekage Seto Inland Sea National Park.
This is a fantastic view and widely known as a photogenic spot.