Best mountain passes around Lozoya are found within the Sierra de Guadarrama, offering diverse landscapes and routes. This region features passes that attract cyclists, hikers, and nature enthusiasts. The passes provide access to varied terrain, including dense pine forests and open viewpoints. The Lozoya Valley serves as a natural escape into the heart of the mountains.
Last updated: October 18, 2026
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Watch out for the asphalt on the descent, there are potholes and the surface is quite uneven. You won't even notice it on the climb.
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Port suitable for beginners who want to get in shape
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In the Middle Ages, the inhabitants of Bustarviejo had to pay a “toll” of half a bushel to use this pass to carry grain to be ground at the water mills in the Lozoya Valley. Hence the name of this pass. From the pass we can see the Carpetanos Mountains of Somosierra, part of the Lozoya Valley and the entire Sierra Norte of Madrid.
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A hill that separates the Sierra de la Cabrera from the Sierra de Canencia
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Another port in Los Montes Carpetanos for the passage between the provinces of Madrid and Segovia.
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From Puerto Linera, at 1834m altitude, you can see part of the Lozoya Valley, the Cabrera mountain range, highlighting the Pico de la Miel, the Riosequillo reservoir, Buitrado and Villavieja. Behind us is the province of Segovia, where we can see, among others, the town of Matabuena. The name "linera" is perhaps due to the large amount of linen that was sold from the Buitrago region to the towns of Pedraza and surrounding areas. The port has a cairn of stones much larger than those that delimit the terms, since, according to tradition, it was customary to throw a stone every time you passed from one side to the other to make it more visible when there was snow, blizzards or fog. , and prevent passers-by from getting lost.
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The Port of Navafría is one of the entrances to the famous Horizontal runway that connects this port with the historic port of Somosierra. The Port of Navafría is located between the municipalities of Lozoya and Navafría. With its 1,773 meters above sea level, it is considered a first-class port in the “Cycling Tour of Spain”. This natural area is made up of a lush oak forest in the lower part and a beautiful pine forest in the upper part.
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San Blas Viewpoint
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Among the most popular mountain passes in the Lozoya Valley are Canencia Pass, known for its pleasant climbs and scenic views, and Navafría Pass, recognized as a challenging first-category climb in the Vuelta Ciclista a España. Visitors also appreciate Puerto del Medio Celemín for its expansive views of the Sierra Norte of Madrid.
The mountain passes in Lozoya offer diverse natural beauty. For instance, Navafría Pass features dense oak forests at lower elevations and beautiful pine forests higher up. Canencia Pass is characterized by abundant Scots pine forests and diverse tree species like hollies and birches, while Puerto de la Morcuera provides panoramic views of the Madrid plains and majestic peaks.
Yes, the mountain passes serve as excellent starting points for hiking. From Puerto de Canencia, you can access routes leading to the Chorrera de Mojonavalle waterfall and the Abedular de Canencia (birch grove). Puerto de la Morcuera offers numerous hiking trails, including the ascent to La Najarra. For more options, explore the running trails guide around Lozoya, which includes routes like the Pico del Nevero and Lagunillas Loop from Puerto de Navafría.
The Lozoya mountain passes are very popular with cyclists. Navafría Pass is a well-known first-category climb in the Vuelta Ciclista a España, offering a cool, shady, and challenging route. Puerto de la Morcuera is also a prominent route for road cycling with challenging climbs and has been frequently included in the Vuelta a España. Canencia Pass is often described as one of the most enjoyable climbs in the Sierra de Guadarrama due to its pleasant gradients and incredible landscape. You can find more cycling routes in the cycling guide around Lozoya.
Absolutely. The region around Lozoya's mountain passes offers great mountain biking opportunities. For example, the Ascent to Puerto de la Morcuera via forest track provides a good condition forest track to reach the pass while avoiding the main road. The MTB Trails around Lozoya guide features routes like 'La Horizontal Trail' which can be accessed from areas like Puerto de Linera.
The challenge varies by pass. Navafría Pass is considered a first-category climb, known for its tough, winding route. Puerto de la Morcuera, reaching 1,796 meters, features an ascent from Miraflores de la Sierra with an average gradient of 6.8% and sections up to 12%. In contrast, Canencia Pass is often described as having more pleasant, less steep slopes, making it enjoyable for a wider range of cyclists.
Yes, some passes offer amenities suitable for families. Canencia Pass has a recreational area at the top with ample parking, picnic tables, and a fountain, making it a convenient starting point for easier routes. In winter, Puerto de la Morcuera transforms into a natural park suitable for sledding and snowshoeing, offering family-friendly snow activities.
The best time to visit depends on your preferred activity. Spring and autumn offer pleasant temperatures for hiking and cycling, with vibrant wildflowers or colorful foliage. Summer provides warm weather for outdoor activities, though some passes like Puerto del Medio Celemín might be less suitable for strenuous climbs due to heat. Winter offers opportunities for snow activities like sledding and snowshoeing at higher passes like Puerto de la Morcuera.
Yes, some passes have interesting historical context. Puerto del Medio Celemín, for example, gets its name from the Middle Ages when inhabitants had to pay a 'toll' of half a bushel (medio celemín) to use the pass for transporting grain. Puerto de Linera is said to be named after the linen trade that passed through the area, and features old shepherd huts.
Visitors consistently praise the stunning natural beauty and panoramic views. They appreciate the diverse landscapes, from the dense pine forests of Navafría Pass to the expansive vistas from Puerto de la Morcuera. Cyclists particularly enjoy the challenging yet picturesque ascents, while hikers value the tranquil environment and varied trails. The convenience of recreational areas at passes like Canencia Pass also receives positive feedback.
Yes, several mountain passes offer parking facilities. Canencia Pass, for instance, has a recreational area at the top with ample parking, making it a convenient spot to start your outdoor activities.
Puerto de Linera is a notable mention, known for its vibrant lavender and thyme flowers in May and the presence of old shepherd huts. It offers great views of the surrounding mountains and the Lozoya Valley, providing a more secluded experience compared to some of the more frequented passes.


See even more epic mountain passes by checking out these guides around Lozoya: