The second largest is the Glacier du Mont Fort, located on its northeastern side.

On its eastern side lies the lower summit Petit Mont Fort (3,135 metres (10,285 ft)).

A small lake named Lac du Petit Mont Fort (2,764 metres (9,068 ft)) lies on the south flank.

The summit of Mont Fort is easily accessible by cable car from the heights of Verbier or Nendaz.

In the winter and early spring season, the mountain, including the Glacier de Tortin, is the culminating point of the 4 Vallées ski area, accessible by the "Mont-Fort" cable car.