Piako River

Piako River
Location
CountryNew Zealand
Physical characteristics
Source 
  locationTe Miro-Tahuroa Hills and Piarere
  elevation350 m (1,150 ft)
Mouth 
  location
Firth of Thames
  elevation
0 m (0 ft)
Length100 km (62 mi)
Basin size1,400 km2 (540 sq mi)

The Piako River is a lowland river system that drains into the Firth of Thames on the North Island of New Zealand. Together with the Waihou River, it is one of the two main rivers systems which drains the Hauraki Plains. It is the dominant river system in the Matamata-Piako District, and on its journey it passes through the towns of Morrinsville and Ngatea.