Access coming from:

- Seia (15 km) – N339, km 15.8.

Stop at GPS: 40.378315, -7.647370

Nave Travessa GPS: 40.3747222, -7.6630556

See here: a set of lateral and terminal moraines, including frontal moraine arches and sheepback rocks, related to Covão Grande glacier tongue (one of the 7 main ones in Estrela mountain); succession of sets of "glacier bolt and coals"; landscape of typical valley glacier; and suspended valleys.

Nave Travessa is a cirque glacier, meaning an amphitheater-shaped basin with steep walls, formed on a mountainside by glacier erosion.

Cirque glacier - amphitheatre-shaped basin with steep walls, formed on a mountainside by glacial erosion.

Glacier - mass of ice formed by the recrystallization of snow that flows forward, or has flowed at some time in the past.

Glacier tongue - the lower, elongate part of a valley glacier.

Moraine – rock accumulation deposited primarily by the direct action of a glacier.

Sheepback rock, glaciated knob or mammillated rock - rounded, glacially eroded rock outcrop, usually one of a group, resembling a sheep's back.