Taishan or Tai , peak, 5,069 ft (1,545 m) high, W Shandong prov., E China. Located in the homeland of Confucius, it is China's most sacred mountain. In ancient times it was believed that Taishan controlled the earthly fate of humanity. The peak is revered by Buddhists and Taoists and has long been the goal of pilgrimages; it has many temples and shrines. Taishan is also called Dongyue [eastern peak].