While the entrance to the tunnel may not look like much, the phrase "sincerity that moves Heaven and Earth" suggests immense power. One can only imagine how happy and relieved people must have been when the centuries of obstacles presented by the Santiaoling Range were overcome by this hole through the hills.
山洞口看來雖不起眼，然而「至誠動天地」五個字卻是力量萬鈞，可以想見當山洞鑿通時，人們是多麼欣慰三貂嶺這座百年來的交通障礙終於被克服了。