4-599: Koko Head is the headland that defines the eastern side of Maunalua Bay along the southeastern side of the Island of Oahu in Hawaii . On its western slope is the community of Portlock, a part of Hawaiʻi Kai . Koko Head (at 642 ft or 196 m) is an ancient tuff cone that is somewhat dwarfed by its neighboring tuff cone, Koko Crater , with its peak, Kohelepelepe (or Puʻu Mai ), rising to 1208 ft or 368 m. Koko Head itself has three significant depressions or old vents,
8-401: A head , is a coastal landform , a point of land usually high and often with a sheer drop, that extends into a body of water . It is a type of promontory . A headland of considerable size often is called a cape . Headlands are characterised by high, breaking waves , rocky shores , intense erosion , and steep sea cliff . Headlands and bays are often found on the same coastline. A bay
12-405: Is flanked by land on three sides, whereas a headland is flanked by water on three sides. Headlands and bays form on discordant coastlines, where bands of rock of alternating resistance run perpendicular to the coast. Bays form when weak (less resistant) rocks (such as sands and clays ) are eroded, leaving bands of stronger (more resistant) rocks (such as chalk , limestone , and granite ) forming
16-735: The largest of which forms the well-known Hanauma Bay. Koko Head's last eruption was 3,000-5,000 years ago and it is part of the Honolulu Volcanics . This eastern end of Oʻahu is quite scenic and most of the area is part of Koko Head Regional Park, administered by the City & County of Honolulu . The following features and natural areas are found between Koko Head and the eastern end of the island at Makapuʻu : 21°15′42″N 157°42′11″W / 21.261585°N 157.702949°W / 21.261585; -157.702949 ( Koko Head ) Headland A headland , also known as
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