Tiantai Mountain, Mount Tiantai, or Tiantai Shan is a mountain in Tiantai County near the city of Taizhou, Zhejiang, China. Its highest peak, Huading, reaches a height of . The mountain was made a national park on 1 August 1988. One of nine remaining wild populations of Seven-Son Flower Heptacodium miconioides is located on Mount Tiantai.