The Real Sociedad Española de Alpinismo Peñalara is responsible for organizing the Gran Trail Peñalara, which will take place in the National Park of Sierra de Guadarrama (Spain). The starting line and finish line of the event is located in the town of Navacerrada (Madrid). The course of the Gran Trail Peñalara is as follows: Navacerrada (Starting Line) – Collado del Piornal – Maliciosa – Canto Cochino – Collado de la Dehesilla – Hoya de San Blas – Puerto de la Morcuera – Rascafría - Puerto del Reventón – Peñalara – La Granja – Puerto de la Fuenfría – Puerto de Navacerrada – La Barranca – Navacerrada (Finish Line). The course is approximately 116 km with about 5,150 meters of accumulative height gain.