Val de Bagnes, also called the Vallée de Bagnes (German: Bangital or Baniental) is a valley located in the Entremont District in the Canton of Valais of Switzerland .

Val de Bagnes is traversed by the Drance de Bagnes. In the upper part of the valley is the Lac de Mauvoisin and towards the southern end of the valley the Glacier de Fenêtre and the Chanrion Hut . From Val de Bagnes, the Aosta Valley can be reached via the Fenêtre de Durand in the Grand Combin . At Sembrancher , the Val de Bagnes flows into the Val d’Entremont .

The main mountain peaks in Val de Bagnes are:

Most of the valley is organized into a single municipality, also called Val de Bagnes, while a small part extends into the neighboring municipality of Sembrancher.