The Wairoa River is located in the north of the South Island of New Zealand. It flows north for 45 kilometres before combining with the Wai-iti River to form the Waimea River. This flows into the southern end of Tasman Bay / Te Tai-o-Aorere near Richmond.

Wairoa River
Location
Country	New Zealand
Physical characteristics
Source
• location	Gordon Range
Mouth
• location	Waimea River
Length	45 kilometres (28 mi)