Waianae Range

Waianae Range

▪ mountains, Hawaii, United States
Hawaiian  Wai‘anae 

      mountain range forming the western coast of Oahu island, Hawaii, U.S. The range is the oldest area of volcanic activity on the island. It is 22 miles (35 km) long and 9 miles (14 km) wide and is composed of three lava groups. The original caldera, 3 miles (5 km) wide and 5 miles (8 km) long, was at the head of Lualualei Valley (near Kolekole Pass) but was buried through submergence and erosion.

      Composed mainly of basaltic rock, the range is heavily eroded. Its western slopes are steep and precipitous and indented by deep valleys such as the Nanakuli, Lualualei, Waianae, and Makaha. Its eastern slopes are more gradual and approach the central Schofield Barracks with small, narrow valleys. The range's northern part ends in steep coastal cliffs (750 to 1,000 feet [225 to 300 metres]), while its southern slopes have an even gradient as they near the coastal plain. Mount Kaala (4,025 feet [1,227 metres]), the highest point on Oahu, is at the head of Makaha Valley; it has a flat swamp-filled semicircular plateau 1 mile (1.6 km) in diameter. Several peaks in the range exceed 3,000 feet (900 metres). The area along the coast west of the range is the driest segment of Oahu. Kolekole Pass (constructed 1937), 3 miles (5 km) south, is an important link between the west coast and the fertile central plateau.

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Universalium. 2010.

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  • Oahu — /oh ah hooh/, n. an island in central Hawaii: third largest and most important island of the state; location of Honolulu. 630,528; 589 sq. mi. (1525 sq. km). * * * Island (pop., 2000: 876,165) of Hawaii, U.S. Situated between the islands of Kauai …   Universalium

  • Kaʻala — Ka ala …   Wikipedia

  • Melanthera tenuifolia — Conservation status Critically Imperiled (NatureServe) Scientific classification Kingdom …   Wikipedia

  • Alsinidendron obovatum — ID 2865 Symbol Key ALOB4 Common Name Waianae Range alsinidendron Family Caryophyllaceae Category Dicot Division Magnoliophyta US Nativity Native to U.S. US/NA Plant Yes State Distribution HI Growth Habit Subshrub, Shrub …   USDA Plant Characteristics

  • Hedyotis degeneri — ID 38914 Symbol Key HEDE3 Common Name Waianae Range starviolet Family Rubiaceae Category Dicot Division Magnoliophyta US Nativity Native to U.S. US/NA Plant Yes State Distribution HI Growth Habit Shrub Duration …   USDA Plant Characteristics

  • Lepidium arbuscula — ID 46115 Symbol Key LEAR5 Common Name Waianae Range pepperwort Family Brassicaceae Category Dicot Division Magnoliophyta US Nativity Native to U.S. US/NA Plant Yes State Distribution HI Growth Habit Subshrub, Shrub …   USDA Plant Characteristics

  • Lipochaeta tenuifolia — ID 48198 Symbol Key LITE7 Common Name Waianae Range nehe Family Asteraceae Category Dicot Division Magnoliophyta US Nativity Native to U.S. US/NA Plant Yes State Distribution HI Growth Habit Subshrub, Forb/herb Dur …   USDA Plant Characteristics

  • Lobelia monostachya — ID 48429 Symbol Key LOMO3 Common Name Waianae Range lobelia Family Campanulaceae Category Dicot Division Magnoliophyta US Nativity Native to U.S. US/NA Plant Yes State Distribution HI Growth Habit Shrub Duration …   USDA Plant Characteristics

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