At , Taizhou has a long coastline dotted with numerous islands; the largest one is Yuhuan Island in the south. Coastal areas in the east tend to flat, with an occasional hill. Eastern and northern parts of Taizhou are mountainous, with Yandangshan Mountains in the southwest, Kuocang Mountains () in the west, and Mount Tiantai in the northwest. The highest point of Taizhou is Mishailang (), a peak in the Kuocang Mountains, and also the highest point in the east of the Zhejiang Province.