<Tr> <Th> Length </Th> <Td> 14 km (8.7 mi) </Td> </Tr> <P> The Avon River / Ōtākaro / ˈeɪvən / flows through the centre of the city of Christchurch, New Zealand, and out to an estuary, which it shares with the Heathcote River, the Avon Heathcote Estuary . </P> <P> The Avon follows a meandering course through Christchurch from its source in the outer western suburb of Avonhead through Ilam, Riccarton and Fendalton, then through Hagley Park and the Central Business District (CBD). </P> <P> East of the CBD, it passes through Avonside, Dallington, Avondale and Aranui, finally flowing into the Pacific Ocean via the Avon Heathcote Estuary (Māori: Te Wahapū) near Sumner . </P>

Where does the avon river start in christchurch