Morphometric characteristic

Zat basin

Upper Draa basin

Area (km²)

533

17,742

Perimeter (km)

150

919

Compactness index KG

1.76

1.93

Drainage density Dd

1.48

0.14

Length of main watercourses (km)

11.6

142.16

Maximum altitude (m)

3920

4040

Minimum altitude (m)

700

400