Explore details about location 本渡苓北線. 本渡苓北線 is a location situated within the 天草市 alongside other areas such as 国道３２４号, 本渡苓北線, 国道３２４号. Additionally, some smaller parts of 本渡苓北線 include specific areas like 国道３２４号 adding to the diversity of its landscape.