Korea Strait, Sea passage between South Korea and Japan.
The Korea Strait is a sea passage connecting South Korea and Japan, linking the East China Sea with the Sea of Japan. It reaches depths around 90 meters (300 feet) and is divided by Tsushima Island into two separate channels used by ships traveling between the regions.
The strait has served as a route for exchange between cultures since ancient times, particularly when Buddhism traveled from Korea to Japan in the 6th century. A major turning point came in 1905 when Japan defeated Russian naval forces in the Battle of Tsushima.
The strait served as a vital passage for religious and cultural exchange between Korea and Japan across centuries. Communities on both sides relied on these waters to share goods, ideas, and traditions that shaped East Asian societies.
The strait is served by regular ferry connections between South Korea and Japan that operate throughout the year. To experience the crossing, you can book passage from major ports on either side, with services available for both vehicles and foot passengers.
A warm ocean current called the Tsushima Current flows northward through the strait, creating rich fishing grounds that have supported local communities for generations. This current brings nutrients that fuel large populations of flatfish and mackerel in these waters.
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