It is located near Yashima Plateau. Tokushima is an old castle town known for its passionate Awa-odori dance in summer. A puppet theater adjoins it. At each ebb and flow of the tide, the currents rush through this narrow passage, forming hundreds of foaming whirlpools of various sizes. An observatory platform in Naruto, offering an extensive view of the straits, is 20 min.
Boats are also available, except during winter, to see the whirlpools at close distance.
You can see Otaniyaki pottery being made there. Kochi Castle , 20-min. walk from JR Kochi Sta. It was reconstructed in 1753. The site now forms Kochi Park. It is particularly celebrated for moon-viewing in autumn.