The Binn Valley (German: Binntal) is a valley of the Alps, located on the north side of the Lepontine Alps in the Swiss canton of Valais.

The valley is drained by the Binna, a tributary of the Rhone, at Grengiols.

Other villages or localities are Ausserbinn (1,291 m), Heiligkreuz (1,458 m) and Fäld (1,547 m).

The mountains in the Binntal generally exceed 3,000 metres.

On the upper east side of the valley, the Albrun Pass connects it with the Italian Valle Devero.