They are visible across Taiwan's western plains all the way from the Lungtan exchange on the North-South freeway, which is in Taoyuan County. They are an even more pronounced landmark when viewed from the sea.
從台灣南部北上，在桃園龍潭下高速公路時，便可看到大屯山巒在平原彼方聳立；若從北部海域眺望，大屯山更是台灣的海上座標。