Mangamuka Bridge is a small town in Hokianga. Get in Get around See Omahuta Kauri Sanctuary, -35.24102°, 173.62871°. See five of the twelve biggest kauri trees in an undisturbed healthy forest in a reserve established by Dept of Conservation in 1952. Do Buy Mangamuka Dairy, SH1, -35.23631°, 173.54460°. Dairy selling hot burgers. 2018-08-08 Eat Drink Sleep Go next