Church Point, New South Wales in the context of "Lovett Bay"

Pittwater is a semi-mature tide dominated drowned valley estuary, located about 40 kilometres (25 mi) north of the Sydney central business district, New South Wales, Australia; being one of the bodies of water that separate greater Metropolitan Sydney from the Central Coast.

Pittwater has its origin from the confluence of McCarrs Creek, to the west of Church Point and a number of smaller estuaries, the largest of which is Cahill Creek, that joins the Pittwater north of Mona Vale. The Pittwater is an open body of water, often considered a bay or harbour, that flows north towards its mouth into Broken Bay, between West Head and Barrenjoey Head, less than 1 kilometre (0.62 mi) from the Tasman Sea.

Elvina Bay is a bay and an adjacent suburb in northern Sydney, in the state of New South Wales, Australia. It is located 35 kilometres north of the Sydney central business district, in the local government area of Northern Beaches Council.

Elvina Bay is within the Ku-ring-gai Chase National Park, situated on the western shores of Pittwater, beside Lovett Bay. Scotland Island, Church Point and Morning Bay. Clareville is on the opposite (eastern) Pittwater shore.