Explore details about location 光上関線. 光上関線 is a location situated within the 光市 alongside other areas such as 光玖珂線, 国道１８８号, 国道１８８号. Additionally, some smaller parts of 光上関線 include specific areas like 下松田布施線, 束荷一ノ瀬線, 光玖珂線 adding to the diversity of its landscape.