The Grays River is a tributary of the

Tekapo River The Tekapo River flows occasionally through the Mackenzie Basin, Canterbury, in New Zealand's South Island, although the riverbed is now often dry in the upper reaches. It maintains a constant flow below the confluence of several tributaries, no ...

in the Mackenzie Basin of New Zealand. It flows southwest for , joining the larger river southeast of

Lake Pukaki Lake Pukaki is the largest of three roughly parallel alpine lakes running north–south along the northern edge of the Mackenzie Basin on New Zealand's South Island. The others are Lakes Tekapo and Ohau. All three lakes were formed when the te ...

. It should not be confused with the

Gray River The Gray River is a river in the Fiordland area of New Zealand. It arises in the Cameron Mountains in Fiordland National Park and flows south-west and then north-west into Revolver Bay, on the south side of Rakituma / Preservation Inlet. The riv ...

, a small tributary of the Awatere River in

Marlborough Marlborough may refer to: Places United Kingdom * Marlborough, Wiltshire, England ** Marlborough College, public school * Marlborough School, Woodstock in Oxfordshire, England * The Marlborough Science Academy in Hertfordshire, England Austral ...

, nor with the much larger Grey River on the

South Island The South Island, also officially named , is the larger of the two major islands of New Zealand in surface area, the other being the smaller but more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman ...

West Coast West Coast or west coast may refer to: Geography Australia * Western Australia *Regions of South Australia#Weather forecasting, West Coast of South Australia * West Coast, Tasmania **West Coast Range, mountain range in the region Canada * Britis ...

References

Rivers of Canterbury, New Zealand Rivers of New Zealand {{CanterburyNZ-river-stub