A second major factor that shaped the landscape was the action of glaciers during the ice age. Huge glaciers descended from the Tronador and found the way through the Todos los Santos valley far into the Central Valley of Chile.
The shaping of the landscape was significantly influenced by the movement of glaciers during the Ice Age. These massive glaciers, originating from the Tronador region, carved a path through the Todos los Santos valley and extended deep into the Central Valley of Chile.