Explore details about location 豊後高田国東線. 豊後高田国東線 is a location situated within the 豊後高田市 alongside other areas such as 赤根真玉線, 豊後高田安岐線, 豊後高田国東線. Additionally, some smaller parts of 豊後高田国東線 include specific areas like 山香国見線, 地蔵峠小田原線 adding to the diversity of its landscape.