The Lusatian Border Ridge, also called the Lusatian Border Wall, is a natural region in Saxony and South Brandenburg. It lies not far from the town of Weißwasser and is bounded in the south and west by the Muskau Heath and in the north by the Cottbus Sand Plateau. To the west it transitions at the River Dahme into the Lower Fläming; to the east it continues on the far side of the border river of the Lusatian Neisse into Poland as the Wał Trzebnicki as far as the River Bóbr.