In the western part of the country, fertile lands descend into desert as you advance eastward.
To the south, highlands dot the landscape, moving towards a high central plateau, ranging from 5,906 to 9,843 ft (1,800 to 3,000 m) above sea level.
The highest point of Eritrea is Soira at 9,901 ft (3,018 m); the lowest point of the country is located near Kulul within the Danakil Depression at -246 ft (-75 m).
Eritrea is bisected by a portion of the East African Rift - an active continental zone whose tectonic plates are moving away from each other.
There are no significant lakes or rivers.