The Sierra de Álvarez is a mountain range located in the province of Jaén, in southern Spain. It is part of the larger Sierra de Cazorla and is known for its diverse ecosystems, including forests and rocky terrains. The area is popular for outdoor activities such as hiking and birdwatching, attracting nature enthusiasts. This mountain range is also significant for its rich biodiversity, housing various plant and animal species. The Sierra de Álvarez is a key part of the Natural Park of Sierras de Cazorla, Segura y Las Villas, which is one of the largest protected areas in Spain.