The Opuiaki River is a river of the Bay of Plenty Region of New Zealand's North Island. It flows north from the Mamaku Plateau into Lake McLaren, to reach...

of the Kaimai Range and meets the Opuiaki River at the head of Lake McLaren, which discharges to the Wairoa River a short distance downstream from the...

River Opuha River Opuiaki River Ōpūrehu River Orangipuku River Orari River Orauea River Ōrere River Ōreti River Ōrewa River Orikaka River Orira River...