Pico del Nevero y Alto de Porrinoso — circular desde el Puerto de Navafría: Parque Natural Sierra Norte de Guadarrama

The Nevero peak massif (2,209 m) is one of the important and outstanding peaks of the Sierra de Guadarrama National Park, it has glacial modeling, mountain lagoons, native forests and is the best natural balcony to contemplate the beautiful landscape of the Valle del Lozoya and the peaks of Cuerda Larga from the heights of the mountains. The ascent through the Navafría pass is not complicated, it has the distance of a pleasant mountain walk with extraordinary panoramic views. Problems following the path can appear on foggy or blizzard days, when there is poor visibility and a lot of wind coming from the Segovian plain. In the section of the rope there are no references and it would be difficult to follow the path in the meadows of the highest hills to the summit. The route includes the secondary summit of Alto de Porrinoso (2,160 m), which is surrounded by the glacial cirques of Hoyo Borrascoso, Hoyo Cerrado and de los Hoyos, which together with Hoyos de Pinilla, in the Nevero, are the remains of the most isolated, solitary and unknown geological phenomena of glacial origin in the Sierra de Guadarrama.