Gu Chenfu of Yu hill island preciouses jade a chain of islands, meaning namely " blessing ground, beautiful jade " . Diameter of island of big Yu hill 5 kilometers, area 21.22 square kilometer, altitude of hill of hole of top part Hongji 541.3 meters, for Fujian east the biggest islandIn altitude 200 meters are in, have volume two laky. All round the lake group peak annulus arch, its shape is like volcano, yu hill island also has get a name from this, area of big day lake many mus 1000, young season lake many mus 200, two lakes be apart many meters 1000, each have the mouth of spring, clear see an end. Lake all around the hillside is gently, it is to have " austral day hill " praise 10 thousand mus of careless field. Area of island of small Yu hill 3.28 square kilometer, coastal reef is bristly, sea corrode landforms is very outstanding, form peculiar landscapeHave mountain, have the of great capacity, have a lake, still have Yanmian 10 thousand mus green mattress meadow. It is recreational absolutely relaxation good place. Lakefront camps, do not have local color one time, child of the family on the belt deserves the good place of travel on the weekend