The part of Sydney north of Sydney Harbour and the Parramatta River generally referred to as the Northern suburbs or Northern Sydney. Northern Sydney includes suburbs in the local government areas of Hornsby Shire, City of Ryde, City of Willoughby, North Sydney Council, Municipality of Mosman, Municipality of Lane Cove, Northern Beaches Council, Ku-ring-gai Council, Municipality of Hunters Hill and the eastern parts of the City of Parramatta Council. Suburbs include Epping, Chatswood, Dee Why, Ryde and Manly.
Mt Ku-ring-gai to Berowra along the Berowra Track is a pleasant bushwalk that follows Cowan Creek for most of the way, with views on the descent from Mt Ku-ring-gai and the remains of a metal boat hull at Waratah Bay.
A short walk in the Muogamarra Nature Reserve to the Lloyd Trig, which offers views over the Hawkesbury River.
One of the longer bushwalks in the Muogamarra Nature Reserve, the walk to Peats Bight combines the views from Deerubbin Lookout with the historic Peats Bight crater.