The Sierra del Segura is a mountain range located in the province of Jaén, Spain. It is part of the larger Sierra de Cazorla, Segura y Las Villas Natural Park, which is known for its diverse flora and fauna. The area features rugged terrain, deep valleys, and numerous rivers, making it a popular destination for outdoor activities such as hiking and birdwatching. This mountain range is home to several picturesque villages, including Hornos de Segura and Santiago de Calatrava. The region is rich in cultural heritage, with historical sites and traditional architecture. The Sierra del Segura also plays a vital role in local agriculture, particularly in the production of olive oil.