KÃÂohikaipu (also known as Black Rock) is an islet located in Honolulu County, Hawaii, off the east coast of Oahu. It is situated from nearby MÃÂnana Island (Rabbit Island). Both KÃÂohikaipu and MÃÂnana Island are northeast of Makapuûu Point. The total size of KÃÂohikaipu is .
KÃÂohikaipuâ²s formation was due to the Honolulu Volcanic Series, which were a series of eruptions by the Koûolau Range that created numerous vents near Honolulu such as Diamond Head.
The islet is a wildlife sanctuary for birds and a permit is needed for people to access it.