Kāohikaipu (also known as Black Rock) is an islet located in

Honolulu County, Hawaii Honolulu County (officially known as the City and County of Honolulu, formerly Oahu County) is a consolidated city–county in the U.S. state of Hawaii. The city–county includes both the city of Honolulu (the state's capital and largest city ...

. It is situated 0.6 miles away from nearby Mānana Island (Rabbit Island). The total size of Kāohikaipu is 11 acres. Its formation was due to the

Honolulu Volcanic Series The Honolulu Volcanics are a group of volcanoes which form a volcanic field on the island of Oʻahu, Hawaiʻi, more specifically in that island's southeastern sector and in the city of Honolulu from Pearl Harbor to the Mokapu Peninsula. It is ...

, which were a series of eruptions by the

Koʻolau Range Koolau Range is a name given to the dormant fragmented remnant of the eastern or windward shield volcano of the Hawaiian island of Oahu. It was designated a National Natural Landmark in 1972. Geology It is not a mountain range in the normal ...

that created numerous vents near

Honolulu Honolulu (; ) is the capital and largest city of the U.S. state of Hawaii, which is in the Pacific Ocean. It is an unincorporated county seat of the consolidated City and County of Honolulu, situated along the southeast coast of the island ...

such as Diamond Head. Both Kāohikaipu and Mānana Island are northeast of

Makapuʻu Point Makapuʻu Point (also Makapuu Point) is the easternmost point on the Hawaiian island of Oʻahu, located in the Makapuʻu region. Twelve miles east of Honolulu, it is a popular hiking spot, offering great views of Makapuʻu and Waimanalo, Waimanalo ...

. The islet is

wildlife sanctuary A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, or features of geological or o ...

for

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

s and a permit is needed for people to access it.

References

{{Hawaii-geo-stub Geography of Honolulu County, Hawaii Volcanoes of Hawaii Islands of Hawaii

See also

References