Port Island or Chek Chau (cek3 zau1) is an island of Hong Kong, under the administration of Tai Po District. It is located in Tolo Channel, in the northeastern New Territories. Its name literally means red island; after the sedimentary rocks rich in iron that form this island. and volcanoes

Dinosaur fossils discovery

On October 23, 2024, the Development Bureau announced that experts discovered dinosaur skeletons fossils in Chek Chau, which was the first time dinosaur fossils were discovered in Hong Kong. According to expert estimates, the fossil belongs to the Cretaceous period, about 145 million to 66 million years ago; the dinosaur may have been buried under sand and gravel after death, then washed out of the surface by floods, and then buried again where it was found fossil location.

Conservation

Port Island has been designated as a Site of Special Scientific Interest since 1979 because of its ornithological interest.