The Mendi River is a significant waterway located in Papua New Guinea. It flows through the Mendi Valley and is an important source of water for the surrounding communities. The river supports local agriculture and provides a habitat for various wildlife species. The river is also known for its scenic beauty, with lush greenery lining its banks. It plays a crucial role in the cultural and economic activities of the Southern Highlands Province, where it is used for fishing and transportation. The Mendi River is vital for sustaining the livelihoods of the people living in the region.