Topographically, the county is dominated by mountainous and high terrain, with a great variety of natural features including valleys, canyons, gorges, rivers, glacial lakes and dense forests. Various mountains ranging between meters above sea level run the length of the county from north to south, including the Korab mountains in the east with Mali i Gramës and Korab at an altitude of being the highest mountain in the county and as well as in Albania. The Dejë mountain rises in the center, while in the east the county is dominatet by the Lura mountains. The Skanderbeg mountains on the west separates the Central Mountain Range with the Western Lowlands. The county, marked by a significant biological diversity, is water-rich with a dense river network, a rich aquifer system, and significant karst underground watercourses. It is home to the source of the river Mat which rises in Martanesh. Besides the Mat, the Drin river is an important waterway in the region.