Sepik

River in New Guinea

The Sepik is the longest river on the island of New Guinea, and the third largest in Oceania by discharge volume after the Fly and Mamberamo. The majority of the river flows through the Papua New Guinea (PNG) provinces of Sandaun (formerly West Sepik) and East Sepik, with a small section flowing through the Indonesian province of Papua. The Sepik has a large catchment area, and landforms that include swamplands and mountains.

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