Terrain:
flat coastal plains in northwest, central rolling hills, rugged mountains of Ardennes Forest in southeast
Elevation extremes:
lowest point: North Sea 0 m highest point: Signal de Botrange 694 m
Natural resources:
construction materials, silica sand, carbonates
Land use:
arable land: 27.42% permanent crops: 0.69% other: 71.89% note: includes Luxembourg (2005)
Irrigated land:
400 sq km (2003)