An arête is a thin, almost knife-like, ridge of rock which is typically formed when two glaciers erode parallel U-shaped valleys.
Arêtes are typically formed when two glaciers erode parallel U-shaped valleys. An arête is a thin, almost knife-like, ridge of rock.
An arête is a thin, almost knife-like, ridge of rock. Arêtes are typically formed when two glaciers erode parallel U-shaped valleys.
An arête is a thin, almost knife-like, ridge of rock. Arêtes are typically formed when two glaciers erode parallel U-shaped valleys.