Gruyere is probably the most famous cheese of Switzerland, named after Gruyères town. The clean mountainous areas of the Alps are known for cheese farms that prepare their delicious product by to century-old recipes over wood fires. Cheese from this region bears the mark AOP—Appellation d’Origine Protegée, the official quality guarantee reserved for traditional regional products. You can visit picturesque cheese farms in the mountains and check out the methods and traditions yourself. The cheese season stretches from May to October.