Wahroonga is a suburb on the Upper North Shore of Sydney, in the state of New South Wales, Australia. Wahroonga is located 22 kilometres north-west of the Sydney central business district, in the local government area of Ku-ring-gai Council and Hornsby Shire. The most north-west part is located in the Hornsby Shire, with the F3 freeway forming part of this boundary. Wahroonga lies on a plateau almost 200 meters above sea level, with higher rainfall than most of Sydney and fairly good soil. Hist… (More on Wahroonga)