 The southern and northern approaches to the bridges, on the Pacific Highway, are in Hexham and Tomago respectively.The area where Tarro is located originally was part of the territory of the Pambalong clan of the Awabakal people.The land of the Pambalong stretched from Newcastle West, extended along the southern bank of the Hunter River, west through Hexham (Tarro) to Buttai and across to the foothills of Keeba-Keeba (Mount Sugarloaf) to the northern tip of Lake Macquarie and back to Newcastle West.