The viewpoint of the Portarró of Espot is a passage between mountains that communicates the two parts of the National Park, the plateau of Aigüestortes and the valley of the river Sant Nicolau on one side and the Estany of Sant Maurici and the valley of the river Escrità on the other. To access the viewpoint of the Portarró can be done from the two slopes, we accessed from Aigüestortes, on an excursion of approximately 3 and a half hours, passing through the Estany Llong.