Dayaoshan sandstone peak forest landform, an area of 180 km2, distributed in the area of Lianhuas-han and Shengtangshan west of Dayaoshan in Guangxi is formed by purple-red sandstone of early Devonian Lian-huashan formation.Peak forest landform on thouthand meters high above the sea mountain , with the towering cliff on the edge, is composed of thousands of stone peaks, stone pillars, vertical cliffs and flutes.The main forms of these peaks are columnar and cone columnar similar to Hunan Zhangjiajie , but the petrogenic age of Dayaoshan sandstone peak forest landform is older .The peak forest landform evolved from the Devonian plat-form,experienced development stage of platform mountain , gorge,peak cluster, peak forest and so forth, is now in the prime of life from infancy.