The Mangapu 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 has its sources in numerous streams which flow generally northwards from the King Country

King Country

The King Country is a region of the western North Island of New Zealand. It extends approximately from the Kawhia Harbour and the town of Otorohanga in the north to the upper reaches of the Whanganui River in the south, and from the Hauhungaroa and Rangitoto Ranges in the east to near the Tasman...

 south of Te Kuiti

Te Kuiti

Te Kuiti is a small town in the south of the Waikato region of the North Island of New Zealand. It lies at the junction of State Highways 3 and 30 and on the North Island Main Trunk Railway, 80 km south of Hamilton....

, the longest of which is the Mangaokewa Stream. These streams join to form the Mangapu close to Te Kuiti, and from here the river flows north, passing close to the east of Waitomo Caves

Waitomo Caves

The Waitomo Caves are a village and cave system forming a major tourist attraction in the southern Waikato region of the North Island of New Zealand, 12 kilometres northwest of Te Kuiti. The community of Waitomo Caves itself is very small, though the village has many temporary service workers...

 before flowing into the Waipa River

Waipa River

The Waipa River is in the Waikato region of the North Island of New Zealand. The headwaters are in the Rangitoto Range east of Te Kuiti. It flows north for 115 kilometres, passing through Otorohanga and Pirongia, before flowing into the Waikato River at Ngaruawahia...

 at Otorohanga

Otorohanga

Otorohanga is a north King Country town at the southern end of the Waikato region in the North Island of New Zealand. It is located 53 kilometres south of Hamilton and 18 kilometres north of Te Kuiti, on the Waipa River...

.