Dayushan Island is part of the Fuyao Group off Fuding in Fujian Province.The island, 7.7  kilometers from east to west and 2.76 kilometers from north to south,has an area of 21.5 square kilometers and a coastline of 31.97  kilometers. The island has 36 bays large and small,and 20 hills of varying heights.

Fujian's highest island,it reaches 541,4 meters above sea level. At 400 meters above sea level. there are two natural lakes, about 1,000 meters apart. The larger of the two at 60 hectares, is big enough for sailing; the other is about a fifth this size. Fed by their own springs, the lakes never run dry and their clear waters are sweet-tasting. The surrounding hill slopes are quite gentle. With occasional patches of reed plants. The green hills, blue waters and rocks together present a charming P1ctu.   here are tracts of grassland too, covering 600 hectares in total. These features give the island the name "magic island in the East China Sea."