Lake Ruataniwha
 Lake Ruataniwha is located in the Mackenzie Basin in New Zealand's South Island. An artificial lake it was formed as part of the Waitaki hydroelectric project.It lies on the traditional boundary of the Canterbury and Otago provinces with the town of Twizel two kilometres to the north.It is named after Ruataniwha Station a large sheep station in the area part of which was purchased by the NZ Electricity Department as the site for the township of Twizel.