嫩江
The autonomous banner is located in the northeast of Inner Mongolia, along the west banks of the Nen River, at the confluence of the Greater Khingan Mountains and the Songnen Plains. The autonomous banner has an average elevation of approximately above sea level, with the autonomous banner's highest point of Waxigeqi Mountain (), in , reaching above sea level. 56 different rives flow through Morin Dawa Daur Autonomous Banner.