Koʻolau Range

Koʻolau Range is a name given to the dormant fragmented remnant of the eastern or windward shield volcano of the Hawaiian island of Oʻahu. It was designated a National Natural Landmark in 1972.

Koʻolau Range
View of Koʻolau Range from offshore Lanikai (windward coast)
Highest point
PeakKōnāhuanui
Elevation3,150 ft (960 m)
Prominence2,303 ft (702 m)
Coordinates21°27′0″N 157°54′0″W
Geography
Koʻolau Range
Hawaiian Islands
LocationOahu, Hawaii, US
Parent rangeHawaiian Islands
Topo mapUSGS Kilohana (HI)
Geology
Age of rock1.7 Ma
Mountain typeDormant shield volcano
Volcanic arc/beltHawaiian-Emperor seamount chain
Last eruption32,000 - 10,000 BP
Climbing
Easiest routetrail
U.S. National Natural Landmark
Designated1972
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