Branch River (Wairau River tributary)

The Branch River is a river in the Marlborough Region of New Zealand. It is a tributary of the Wairau River, flowing north for 30 km to meet the Wairau 65 km west of the town of Blenheim. Just before flowing into the Wairau, the Branch River crosses underneath State Highway 63.

In 1978 a power station was considered for the Branch River and was commissioned in 1983, being completed in 1984. It is Marlborough Region's largest source of electricity generation.