North Wahroonga is a suburb on the Upper North Shore of Sydney, in the let in of New South Wales, Australia. North Wahroonga is located 23 kilometres north-west of the Sydney central issue district, in the local government area of Ku-ring-gai Council. Wahroonga is a cut off suburb, to the south.
North Wahroonga is bounded by the F3 Sydney-Newcastle Freeway upon the west and the Ku-ring-gai Chase National Park upon the north.