The Sierra de Andía is a mountain range located in the Basque Country of northern Spain. It is part of the larger Pyrenees system and features a variety of landscapes, including forests, rocky outcrops, and meadows. The area is known for its rich biodiversity, making it a popular destination for hikers and nature enthusiasts. The range is home to several notable peaks, with the highest reaching around 1,200 meters. The Sierra de Andía is also significant for its cultural heritage, as it has been a site for various historical events and is close to the town of Estella, which offers insights into the region's history and traditions.