Mattertal
![A large debris fan, deposited by a rockslide in the 1990s, can be seen above the village of Randa in the Matter valley.](/Images/godic/202501/26/Randa-Rockslide-Town4757.JPG")
![The Weisshorn above the Matter valley (background).](/Images/godic/202501/26/Weisshorn_north4757.jpg")
![The Glacier Express along the Matter Vispa](/Images/godic/202501/26/Glacier_express4757.jpg")
The Matter Valley (German: Mattertal, or sometimes Nikolaital) is located in southwestern Switzerland, south of the Rhone valley in the canton of Valais. The village of Zermatt is the most important settlement of the valley, which is surrounded by many four-thousanders, including the Matterhorn.