The Kanmon Strait is a narrow and historic waterway separating Japan’s main islands of Honshu and Kyushu, linking the Sea of Japan with the Inland Sea. Long vital to maritime trade and transportation, it connects the port cities of Shimonoseki and Kitakyushu by ferries, bridges, and tunnels. The strait also played a key role in 19th-century history during the Shimonoseki Campaign, which helped open Japan to the West. Today, it is known for its scenic views, historic ports, and one of Japan’s most spectacular annual fireworks displays, launched from both sides of the strait.






