Wanganui River

This article is about the Wanganui River in the South island of New Zealand. For the river of the southwestern North Island, formerly called the Wanganui, see Whanganui River

The Wanganui River is located in the western South Island of New Zealand. It flows northwest for 55 kilometres from its headwaters in the Southern Alps, entering the Tasman Sea near Lake Ianthe, 40 kilometres southwest of Hokitika.