Trial Bay and South West Rocks are both near what river, in the New South Wales province?
Trial Bay:  The bay faces northwards and extends from Laggers Point in the east around to Grassy Head to the west, past the town of South West Rocks and the Macleay River mouth. South West Rocks, New South Wales: South West Rocks is located on the Mid North Coast of New South Wales, Australia, near the mouth of the Macleay River.
Macleay River