From Wikipedia, the free encyclopedia
|Main source||Mount Horrible|
|River mouth||Opawa River|
|Length||36 kilometres (22 mi)|
The Omaka River is a river of the Marlborough Region of New Zealand's South Island. It flows north from the slopes of Mount Horrible 30 kilometres (19 mi) west of Seddon, reaching the Ōpaoa River at the eastern end of Renwick.
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