Waimamaku River

The Waimamaku River begins north of the Waipoua Forest and flows west through Waimamaku township, eventually reaching the west coast south of the Hokianga Harbour. The catchment is 133 square km and is dominated by native forest in the upper reaches. It is mainly pastoral in the lower catchment. The sampling site is located in the lower reaches of the river, after it passes through Waimamaku.