The Sierra de Collserola is a mountain range located near Barcelona, Spain. It stretches approximately 30 kilometers and serves as a natural park, providing a green space for both locals and visitors. The area is home to diverse flora and fauna, making it an important ecological zone. The highest peak in the range is Tibidabo, which rises to 512 meters. This mountain is popular for its panoramic views of Barcelona and features the Tibidabo Amusement Park and the Sagrat Cor Church. The park offers numerous trails for hiking, cycling, and enjoying nature.