Yemen's topography is characterized by a mountainous terrain and vast desert plains.
The country has high peaks that tower over deep valleys, making it one of the most geographically diverse countries in the region.
Most of the highlands are found in the northern part of the country, with some exceeding 3,000 meters above sea level.
The desert plains, on the other hand, cover vast areas in the southern and eastern parts of the country, creating a stark contrast to the mountainous north.
Jabal an Nabi Shu'ayb, standing at a towering 3,666 meters above sea level, is the highest point in Yemen.
The coastal region of the Red Sea, at 0 meters above sea level, is the lowest point in Yemen.
See here a list of 10 cities in Yemen and their elevation above sea level.