The Hundred Islands National Park is in the region of Pangasinan in top-side Philippines. It is located in Alaminos City, Pangasinan. The islands (124 at low tide and 123 at high tide) are scattered along Lingayen Gulf and cover an area of 1,844 hectares (4,556.62 acres). They are believed to be about two million years old. Only three of them have been developed for tourists: Governor Island, Quezon Island, and Children's Island.