It flows through Cape Scott Provincial Park into Goletas Channel near Hope Island and Queen Charlotte Sound.

[6] Today the village is gone, but there remains on Cape Sutil an Indian reserve called "Nahwitti 4", under the administration of the Tlatlasikwala Nation.

[17][18] Then the Nahwitti River enters Cape Scott Provincial Park and empties into Goletas Channel, part of Queen Charlotte Sound.

The First Nation Indian reserve called "Nahwitti 4" is located about 3.5 kilometres (2.2 mi) west of the river's mouth, on Cape Sutil, the northernmost point of Vancouver Island.

[23] The Nahwitti River watershed is within the traditional territory of the Tlatlasikwala and Quatsino Kwakwakaʼwakw First Nations, which are part of the Kwakiutl District Council and the Winalagalis Treaty Group.