The Matsuura River is a river in Japan.[1][2][3] The river flows through the cities of Karatsu, Imari, and Takeo in Saga Prefecture in the northern part of Kyushu.[4][5] It has historically had a lot of flooding risks.[6] 33°27′13″N 129°58′51″E / 33.4535°N 129.9807°E / 33.4535; 129.9807 | ||||||