Explore details about location 国道１３９号. 国道１３９号 is a location situated within the 富士河口湖町 alongside other areas such as 富士河口湖富士線, 河口湖上九一色線（湖北ビューライン）, 富士河口湖芦川線. Additionally, some smaller parts of 国道１３９号 include specific areas like 東海自然歩道 adding to the diversity of its landscape.