Although most Greenland glaciers have undergone thinning and frontal retreat in recent decades, the tidewater glacier Eqalorutsit Kangilliit Sermiat in South Greenland departs from this regional pattern. This outlet glacier has advanced its terminus by almost 2 km since the mid-20th century and thickened persistently with ever-increasing rates, in contrast to neighbouring glaciers. Actively pushed lateral moraines with vegetation and absent trimlines provide visible evidence in the landscape. Th