Idehan Marzuq

(also Murzuq Sand Sea), a sandy desert in southwestern Libya. Idehan Marzuq is situated in a depression bordered by outlying massifs 450–500 m in elevation. It occupies an area of approximately 200,000 sq km. In the north and northwest there are dunes up to 300 m in height, which are devoid of vegetation. Annual precipitation is approximately 10 mm. Oases with date palms are found along the northern and eastern borders.