Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Ohau River (Canterbury) - The Ohau River is a short river (some eight kilometres in length) that links Lake Ohau with the artificial lake Ruataniwha in the Mackenzie Basin New Zealand. Until the construction of the Waitaki River hydroelectric project it was a tributary of the Waitaki River. The river forms part of the traditional boundary between Otago and Canterbury regions. [1]
The answer is:
Natural Place