Transition zone at the upper edge of the forest, it has large plants with big leaves that seek light in order to grow. Under cover of their leaves, some animals and plants find a safe haven, particularly alternate-leaved golden saxifrage and adenostyles alpina. On the east part of the Ecrins massif, eutrophic tall herbs can be found at the edge of streams and brooks. Just after snowmelt, it raises its golden head and constitutes a lovely carpet of flowers.