The Wau River is located in Papua New Guinea, flowing through the Morobe Province. It is a significant waterway that contributes to the region's ecosystem and supports local communities. The river is known for its scenic beauty and is often surrounded by lush vegetation and diverse wildlife. The Wau River is also historically important, as it played a role during the World War II campaigns in the area. The river's banks are home to various species of fish, making it a resource for local fishermen. Its waters are vital for irrigation and drinking, supporting the livelihoods of nearby residents.