Alto del León and Puerto de Navacerrada Loop

This challenging racebike route, covering nearly 96 km with significant elevation changes, typically takes around 5 hours and 9 minutes to complete. This duration is for the cycling time itself and does not include stops.

No, this route is classified as 'difficult' and is not suitable for beginners. It features substantial climbs, including the Alto del León and Puerto de Navacerrada, requiring good physical fitness and experience with road cycling in mountainous terrain.

The route offers several notable points of interest. You'll pass the historic Alto del León Monument (Puerto de Guadarrama), enjoy the tranquil views of the Navacerrada Reservoir, and conquer the demanding Puerto de Navacerrada Ascent. The route also goes through the Revenga Grove and near the Main Square of Guadarrama.

The terrain is highly varied and challenging. You'll encounter significant and sustained climbs on the mountain passes, such as the Alto del León and Puerto de Navacerrada. The section around the Embalse de Navacerrada offers a more rolling or flatter respite, typically on paved surfaces. Expect demanding ascents and descents throughout the mountainous sections.

Given that the route includes both Alto del León and Puerto de Navacerrada, common starting points with parking include areas near the Puerto de Navacerrada or in towns like Guadarrama or Navacerrada village. Specific parking lots can be found in these areas, often near the main roads leading to the passes.

Generally, road cycling on established public roads within the Parque Nacional de la Sierra de Guadarrama does not require special permits. However, it's crucial to stay on marked roads, respect speed limits, and be aware of any specific regulations regarding protected areas. Always check the official park website for the latest information on rules and any potential restrictions, especially for off-road cycling, which is often more regulated.

The best time to cycle this route is typically from late spring to early autumn (May to October). During these months, the weather is generally more stable, and the mountain passes are clear of snow and ice. Winter cycling can be hazardous due to snow, ice, and colder temperatures, especially at higher elevations like Puerto de Navacerrada.

This is a racebike route primarily on public roads. While dogs are generally allowed in public spaces and on leash, it's important to consider the nature of the activity. Cycling at speed with a dog can be unsafe for both the cyclist and the animal. If you plan to bring a dog, ensure it is well-trained, on a leash, and that you can maintain control and safety throughout the ride, especially on busy roads.

Yes, you will find options for food and refreshments. Both Alto del León (Puerto de Guadarrama) and Puerto de Navacerrada have establishments like restaurants and cafes. The towns around the Navacerrada Reservoir, such as Navacerrada village, also offer various services for cyclists.

Yes, this racebike route incorporates sections of several other official trails. Notably, it follows parts of the [CIMA SE01] Navacerrada, Ruta del Sureste, [CIMA MA05] Bola del Mundo (Navacerrada) * Collado Villalba, and [CIMA MA09] El León. You'll also find smaller segments overlapping with the Ruta ADESGAM (Asociación de Desarrollo Sierra de Guadarrama) and the Madrid Way of Saint James.

This is a circular route, meaning you will end your ride at or near your starting point without having to retrace your path. This allows for a varied and continuously changing landscape throughout the journey.