|Main source||Aorangi Range|
|River mouth||Huangarua River|
|Length||15 km (9 mi)|
The Ruakokoputuna River is a river of the Wairarapa, in the Wellington Region of New Zealand's North Island. It flows northeast from its sources within Haurangi Forest Park to the east of Palliser Bay, reaching the Huangarua River 10 kilometres (6 mi) south of Martinborough.
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