The southernmost and largest Waipapa River is a river of the Waikato Region of New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

's North Island

North Island

The North Island is one of the two main islands of New Zealand, separated from the much less populous South Island by Cook Strait. The island is in area, making it the world's 14th-largest island...

. It flows generally northeast from its origins to the south of the Pureora Forest Park

Pureora Forest Park

Pureora Forest Park is a protected area in the North Island of New Zealand. Within its rich rain forest are an abundance of 1000 year old podocarp trees. It is “recognized as one of the finest rain forests in the world”...

, passing through the southeast corner of the park to reach Lake Waipapa on the Waikato River

Waikato River

The Waikato River is the longest river in New Zealand. In the North Island, it runs for 425 kilometres from the eastern slopes of Mount Ruapehu, joining the Tongariro River system and emptying into Lake Taupo, New Zealand's largest lake. It drains Taupo at the lake's northeastern edge, creates the...

 10 kilometres northwest of Mangakino

Mangakino

Mangakino is a small town on the banks of the Waikato River in the North Island of New Zealand. It is located close to the hydroelectric power station at Lake Maraetai, southeast of Hamilton. Its population in 2001 was 1257...

. The point where the Waipapa and Mangakino meet is part of the Waikato's extensive hydroelectric scheme.