This section of land is divided lengthwise by the Rhône, a river that flows westward from the Rhône glacier in the Central Alps to Lake Geneva ​ — a distance of about 100 miles [170 km].
Valais ’ kanton asub mõlemal pool Rhône’i jõge, mis algab Berni Alpidest Rhône’i liustikust ja voolab läände 170 kilomeetri kaugusele Genfi järve.