The town is exposed only to the northwest, and even there the gap is filled at a distance by Turtle Hill. Moreover, Monkey Cave Hill, which lies inside the old town's walls, is said to have an auspicious ridge.
整個縣城由四靈護衛，唯西北方稍有空隙，以遠處的龜山作屏障，而相傳「猴洞山」恰為城內龍脈所在。