在南岩，一座伸出悬崖的石雕，历来被人们津津乐道。这座石雕叫龙首石，也就是人们常说的“龙头香”。龙头香面对金顶，若朝拜之状，长3米，宽0.55米，是古代工匠采用圆雕、镂雕、影雕等多种手法凿刻的浑为一体的两条龙。龙头上置有一小香炉，下临陡峭的绝壁。这种建在悬崖上的石构建筑具有很高的艺术性和科学性。

　　传说这两条龙是真武大帝的御骑，真武大帝经常骑着它们到处巡视。

　　正因为龙头香的神秘和其地位，从前，许多信士香客为表虔诚，每次来朝武当，都要冒险烧“龙头香”。由于下临万丈深渊，烧龙头香的人要跪着从窄窄的龙身上爬到龙头点燃香火，然后再跪着退回来，稍有不慎，就会坠崖殉命，粉身碎骨。龙头香自打明朝建成以来，从上面摔下去的人不计其数，以致到清康熙年间不得不设栏加锁，明令禁止烧龙头香。

In Rock, a cliff out of a stone, have been talking. The stone is the first stone dragon, which is the often-mentioned "leading incense." Jinding lead-face, if the worship of long 3 meters, 0.55 meters wide, was carved by ancient craftsmen, MR.YANGXI, video and other means carved forever as a result of the integration of two queues. Leading a small home on the censer, under the provisional steep up a Precipice. This built on cliffs, building stone structure with high artistic and scientific significance.
These two legends Zhenwu Great Dragon is the Royal riding, riding Zhenwu Tati their regular patrol everywhere.
It is precisely because of the mysterious leader - and their status, the past, many people believed devout pilgrims to the table each time to North Korea Wudang must burn risk "leading incense." Under the provisional miles because of the abyss, and burning incense leading people from the knees to narrow narrow-body leading lit incense climb, and then returned to knees, little bit of carelessness will edge martyrdom life pieces. Leading-after he has completed the Ming Dynasty, from the top down to the countless people that the Qing Emperor Kangxi in the column to a locked, leading prohibited burning incense.