Explore details about location 国道304号. 国道304号 is a location situated within the 南砺市 alongside other areas such as 林道温泉線, 利賀河合線, 金沢湯涌福光線. Additionally, some smaller parts of 国道304号 include specific areas like 金沢井波線, 石川県道・富山県道27号金沢井波線 adding to the diversity of its landscape.