The Sierra de Tramuntana is a mountain range located on the northwest coast of the island of Mallorca, Spain. It stretches approximately 90 kilometers and is known for its stunning landscapes, including rugged cliffs, lush valleys, and picturesque villages. The range is a UNESCO World Heritage site, recognized for its cultural and natural significance. The mountains are home to diverse flora and fauna, making it a popular destination for hikers and nature enthusiasts. Key towns in the area include Sóller and Deià, which offer charming architecture and local culture. The GR-221 hiking trail runs through the range, providing access to its breathtaking views.