Main attractions: Kochi Castle, which still retains the appearance of 250 years ago; Shimanto River, said to be the last clear stream; and the sunken bridge, which has no parapet and allows water to flow over the bridge when the water rises. Events: Yosakoi Festival in August 主な見どころ:250年前の姿を現在に残す高知城、最後の清流といわれる四万十川、欄干を付けず、増水したら橋の上に水が流れるようにした沈下橋。イベント:8月のよさこい祭り