The Balls Head Reserve is a forested headland nature reserve situated on Balls Head in Sydney. The headland is in Port Jackson, 1.5 kilometres (0.93 mi) west of the Sydney Harbour Bridge, between Berrys Bay to the east and Balls Head Bay to the west. It is named after Lieutenant Henry Lidgbird Ball, a Royal Naval officer who commanded HMS Supply on the First Fleet. The park is accessed via Balls Head Drive, Waverton, New South Wales, Australia.