The Oro River is a significant waterway located in the eastern part of Papua New Guinea. It flows through the Oro Province and is known for its rich biodiversity and scenic landscapes. The river is an important resource for local communities, providing water for drinking, agriculture, and fishing. The Oro River is also notable for its role in the region's history, particularly during World War II. It was a strategic location for military operations, and remnants of this history can still be found along its banks. The river's ecosystem supports various wildlife, making it a vital area for conservation efforts.