Cape Terawhiti is the southwesternmost point of the North Island of New Zealand. The cape is located 16 kilometres to the west of Wellington, the capital city of New Zealand. , located on the northern tip of Cape Terawhiti and, along with Perano Head on Arapaoa Island in the Marlborough Sounds, marks the narrowest part of Cook Strait. It is also the closest point in the North Island to the South Island, with West Head, at the mouth of the Tory Channel being only 28 kilometres away (this point in the South Island lies to the northwest of Cape Terawhiti).