A grass mountain (German: Grasberg) in topography is a mountain covered with low vegetation, typically in the Alps and often steep-sided. The nature of such cover, which often grows particularly well on sedimentary rock, will reflect local conditions. The following mountain ranges of the Eastern Alps in Europe are often referred to as grass mountains (Grasberge):
Negotiating the steep grass-covered sides of grass mountains requires a special type of climbing known as grass climbing (Grasklettern).