The Korowai tree houses are built at heights up to 50 m above ground.
Houses more than 25 m up are built only if there is a dispute with neighbours or if the area is generally hostile. In more peacefull times, houses are built no more than 6 to 25 meters from the ground.
There is a strict social separation between males and females.
Material culture is simple and limited to indispensable items and to body decoration.