Oahu - Hawaii

Oahu, an island is 597 square miles size of, is the second oldest island.It has two major mountain ranges that were once two shield volcanoes which have long since become extinct.The Waianae range is the oldest part of Oahu at about four million years old. Over a hundred ridges extend from the spines of each range.The most famous of these former craters include Diamond Head and Punchbowl craters, both popular visitor attractions.Koko Head crater is the youngest part of Oahu at about 32,000 years old.The Waianae mountain range lies on the west side of the island, separating Central Oahu from the Leeward coast. For the most part,it remains considerably warmer and drier.Climate is 23-31 degrees C beetween all year.