The northern and north-western part of the region is covered by the Bohemian-Moravian Highlands (Czech: Českomoravská vrchovina) and the Moravian Karst. There is an extensive cave complex in the Moravian Karst with a 138.5 m depth in the Macocha Gorge in the Punkva Caves. In the eastern part, the region reaches to the Carpathian Mountains. The Bohemian-Moravian Highlands and the Carpathian Mountains are separated by the Lower-Moravian Valley (Czech: Dolnomoravský úval). The southern part of the region is predominantly flat and dominated by fields, meadows, and the remainders of riparian forests.