Tantalus (Oahu)

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Tantalus
A view of Honolulu seen from Tantalus (2008)
Highest point
Elevation	2,014 ft (614 m)
Coordinates	21°19′57.58″N 157°48′53.34″W / 21.3326611°N 157.8148167°W / 21.3326611; -157.8148167
Geography
Location	Honolulu County, Hawaiʻi, U.S.
Parent range	Hawaiian Islands
Topo map	USGS Honolulu
Geology
Age of rock	Greater than 10,000 years
Mountain type	Cinder cone
Climbing
Easiest route	Paved road

Mount Tantalus (Puʻu ʻōhiʻa)^{[1]: 581, 583, 931} is an extinct cinder cone in the southern Koʻolau Range on the Hawaiian Island of Oʻahu. It also has a summit crater, Tantalus Crater. The cinder cone formed after the demise of Koʻolau Volcano, during a time of rejuvenated-stage volcanism in southeastern Oʻahu that also formed Punchbowl Crater, Diamond Head and Koko Head as part of the Honolulu Volcanics. Tantalus overlooks the modern city of Honolulu, which is built on top of Tantalus cinders.