Haus Tambaran is a Tok Pisin phrase which describes a type of traditional ancestral worship house in the East Sepik region of Papua New Guinea. The most visually recognizable forms are from the Maprik

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 Guin