Explore details about location 国道３０６号. 国道３０６号 is a location situated within the 菰野町 alongside other areas such as 御在所岳 中登山道, 平津菰野線, 国道477号線 (Route 477). Additionally, some smaller parts of 国道３０６号 include specific areas like 国道306号線 (Route306), 菰野停車場線, 菰野東員線 adding to the diversity of its landscape.