Piha is 39 kilometres west of Auckland city centre, on the Tasman Sea coast to the north of the Manukau Harbour, on the western edge of the Waitakere Ranges. Immediately to the north of Piha is Whites Beach, and immediately to the south is Mercer Bay; land access to both is only by foot. The nearest beaches accessible by road are Karekare to the south, and Anawhata to the north.
