Koʻolau Range is the rugged eastern backbone of Oʻahu — a steep, rain-fed mountain spine with sharp peaks, lush valleys, and waterfalls. The range provides iconic scenery for hikes, lookouts, and windward coastal trails.

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Geography

AddressKoʻolau Range, Oʻahu, Hawaiʻi, USAOʻahu
ContinentNorth America
RegionPacific Islands
SubregionHawaiian Islands
CountryUnited States
StateHawaii
CountyHonolulu County
DistrictKoʻolau Range
CityOʻahu
NeighborhoodWindward Oʻahu
Postal Code96815
TimezonePacificHonolulu
Latitude21.4
Longitude-157.8
Maps
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The Koʻolau Range rises sharply from the northeastern coast of Oʻahu, forming a natural barrier that channels trade winds and captures rainfall. Its high peaks — running up to approximately 1,300 meters (4,300 feet) — are often cloaked in clouds and feature steep, volcanic slopes. Beneath these summits are verdant valleys, hidden waterfalls, and narrow ridge trails carved by centuries of erosion. The range intersects key access points and parks — including hikes into St. Louis Heights, views from the Pali Lookout, and coastal trails near Waikīkī and Ala Moana. Visitors come to experience panoramic vistas, native ʻōhiʻa forests, and trails that dip from high passes to tropical shoreline.

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