description Mamberamo River Delta Overview
The Mamberamo River Delta is a broad wetland system in northern Papua, Indonesia, where the Mamberamo River discharges into the Bismarck Sea and the Pacific Ocean. The coastal lowlands contain marshes and a wide delta, while the wider watershed includes tropical forest and large marshland areas in northern Papua. It is relevant to studies of New Guinea wetlands, river sediment transport and biodiversity. [ScienceDirect](https://www.sciencedirect.com/science/article/abs/pii/S0278434304001967) [Biota journal](https://ojs.uajy.ac.id/index.php/biota/article/view/2881)
help Mamberamo River Delta FAQ
Where is the Mamberamo River Delta?
The Mamberamo River Delta is in Papua Province, Indonesia, on the northern side of New Guinea. The river drains a vast basin of rainforest, wetlands, and lowland waterways before reaching the Pacific coast.
Why is the Mamberamo basin considered ecologically important?
It contains one of northern Papua's major tropical wetland and rainforest systems and has been identified as a high conservation priority. One assessment places the wider Mamberamo-Rouffaer-Idenburg watershed at about 7.7 million hectares.
Is the Mamberamo region really unroaded?
Large parts of the basin have no normal road network, which helps explain its reputation as one of Indonesia's least-developed rainforest regions. River travel, air access, and local coordination are more relevant than a conventional road trip.
What wildlife is associated with the Mamberamo basin?
The basin lies within the North Papuan Lowlands Endemic Bird Area and supports substantial bird diversity. Its intact rainforest and wetland habitats are also important for species found only in New Guinea.
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