Explore details about location 中山双海線. 中山双海線 is a location situated within the 伊予市 alongside other areas such as 郡中港線, 内子双海線, 松山自動車道 (MATSUYAMA EXPRESSWAY). Additionally, some smaller parts of 中山双海線 include specific areas like 野中長沢線, 広田双海線 adding to the diversity of its landscape.