Naruto Strait
From Openwaterpedia
Naruto Straits (鳴門海峡 in Japanese) is a strait between Awaji Island and Shikoku in Japan. It connects Harima Nada, the eastern part of the Inland Sea and the Kii Channel. A famous feature of the strait is the Naruto whirlpools. Ōnaruto Bridge, the southern part of the Kobe-Awaji-Naruto Expressway, crosses over it.
Open Water Swimming
It sits along the course of Swim Shikoku to be attempted by Steven Munatones in July 2026.