The Matterhorn is a mountain located in the Swiss Alps on the border between Switzerland and Italy. It is one of the most iconic and recognizable mountains in the world, and its peak stands at 4, 478 meters (14, 692 feet). The Matterhorn is part of the Alps mountain range, and its name comes from the German words for 'mountain of mountains'. The crossword solution for the term MATTERHORN is ALP, which stands for the Alpine mountain range.