Kikori River
Kikori River
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Kikori River

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Kikori River

The Kikori River is a major river in southern Papua New Guinea on the island of New Guinea. The river has a total length of 445 km (277 mi) and flows southeast into the Gulf of Papua, with its delta at the head of the gulf. The settlement of Kikori lies on the delta.

The headwaters of the Kikori, the Hegigio and the Tagari, originate in the south-eastern part of the Muller plateau. The Hegigio descends through a wild gorge into the Papua Plain. From the mouth of the Mubi River, it is known as the Kikori and flows into the Gulf of Papua, with a large marshy delta.

The catchment area extends from alpine grasslands of the Southern Highlands to mangrove wetlands of the mouth at Gulf of Papua. The Kikori arises at the confluence of the Hegigio with the Mubi River or Digimu River, into which Lake Kutubu drained. The average rainfall in the Kikori catchment is 5,900 millimetres or 230 inches.

The city of the same name is located on the right bank just before its confluence with the delta.

The Kikori catchment area is very rain-fed (2,500–5,500 mm – up to 7,000 mm in places in the south) and is classified as type Af according to the Köppen climate classification. The mountainous areas of the catchment cover large areas of karst. It is characterised by high biodiversity and sparsely populated areas. Average annual sediment load is 50 million tonnes.

The largest tributaries of the Kikori:

*Minimum discharge: 670 m3/s (24,000 cu ft/s); Maximum discharge: 4,414 m3/s (155,900 cu ft/s);

The Kikori river basin is home to large oil and gas fields that have been mined since the 1990s. A pipeline for oil and gas transport ( Papua New Guinea LNG Project) runs in the Kikori River system from Lake Kutubu over to Papua Gulf.

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