Alpine terrain where trees don't grow.
Credit: Crested Butte Avalanche Center
Above treeline describes the highest elevation band where trees don’t grow. This alpine terrain is characterized by more wind, higher snowfall, and rockier terrain lacking vegetative anchors. The snowpack is more variable above treeline because wind plays a significant role in redistributing snow.
Above treeline is the highest elevation band. Credit: Crested Butte Avalanche Center
Above treeline is characterized by more snow, stronger winds, and rockier terrain. Credit: Sawtooth Avalanche Center
The snowpack above treeline is more variable due to significant wind effects. Credit: Crested Butte Avalanche Center