Río Manu is a river located in the Peruvian Amazon, flowing through the Manu National Park. It is known for its rich biodiversity and is an important habitat for various species, including the endangered giant river otter and numerous bird species. The river is a vital water source for the surrounding ecosystems and local communities. The river is approximately 100 kilometers long and is a tributary of the Madre de Dios River. It plays a crucial role in the region's ecology, supporting both aquatic and terrestrial life. The surrounding area is often explored by ecotourists and researchers interested in the unique flora and fauna of the Amazon rainforest.