The Lower North Shore refers to the Sydney Harbour Peninsula that is located on the north side of the Sydney Harbour Bridge. The three bodies of water that surround the Lower North Shore are Lane Cove River on its western boarder, Sydney harbour on its south side, and Middle Harbour on its east. The Lower North Shore borders the Upper North Shore when the Lane Cover River and Middle Harbour are at their closest. Lower North Shore encompasses suburbs belonging to the local government areas of Municipality of Mosman, City of Willoughby, Municipality of Lane Cove, and North Sydney Council.