Foto de stock - The Sierra de Ayllón is a mountain range located in the community of Madrid and in the province of Guadalajara, Spain. It is one of the main protected natural spaces in the region and offers different alternatives for walks among the trees. In the Sierra de Ayllón you can find extensive coniferous forests, such as Scots pine and Scots pine forests, as well as deciduous tree species such as oak and beech. These forests have numerous hiking trails that allow you to walk among the trees and enjoy the natural beauty of the area. Some of the most popular routes in the Sierra de Ayllón include the Hayedo de Montejo trail, an impressive beech forest considered a UNESCO Biosphere Reserve, and the Peña del Tercio trail, which runs through a dense Scots pine forest. .