Surrounded by the high mountains of the Pennine Alps, Zermatt lies at the southern end of the Matter Valley in Switzerland. Monte Rosa is the highest peak (4, 634 metres) and it is followed by the Dom, Lyskamm, Weisshorn and Matterhorn. Although all of them have their own distinguishable features, it is maybe Matterhorn (Toblerone Mountain) that has become the symbol of Zermatt. Its conical shape attracts people from all over the world, making Zermatt to be visited in every part of the year: in winter for its outstanding ski runs and in summer for its hiking opportunities. Geographically small, Zermatt has around three main streets around the river Matter Vispa. However, this small village is densely populated, especially during the winter season.