Royal Sites Trail Loop
Royal Sites Trail Loop
5
riders
02:22
28.1km
360m
Mountain biking
This difficult 17.4-mile mountain biking route near San Ildefonso offers challenging terrain and stunning views of the Sierra de Guadarrama.
Last updated: February 26, 2026
Tips
Includes a segment that goes up or down a series of steps
You may need to carry your bike.
After 27.7 km for 5 m
Waypoints
Start point
Parking
Get Directions
7.84 km
Highlight • Bridge
Translated by Google •
Tip by
10.1 km
Highlight • Forest
Translated by Google •
Tip by
21.4 km
Highlight • Historical Site
Translated by Google •
Tip by
28.1 km
End point
Parking
Way Types & Surfaces
Way Types
11.0 km
8.16 km
6.18 km
2.23 km
463 m
< 100 m
< 100 m
Surfaces
12.8 km
6.85 km
4.50 km
2.08 km
1.30 km
304 m
253 m
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Elevation
Highest point (1,290 m)
Lowest point (1,100 m)
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Weather
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Friday 17 July
33°C
16°C
-- %
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This route was planned by komoot.
This is a difficult mountain bike route, requiring good to very good physical fitness and advanced riding skills. You should be prepared for constant climbs and descents, and potentially needing to push your bike on some sections. The terrain can be varied, including gravel tracks, unpaved segments, and rocky or loose sections.
The terrain is varied and typical of mountainous regions. You'll encounter a mix of paths, tracks, and trails, including gravel and unpaved segments. Some sections may be rocky or have loose stones, adding to the technical challenge. The route alternates between ascents and descents, often through forested areas.
The route offers a blend of natural beauty and historical grandeur. You'll pass by the historic Royal Site of San Ildefonso with its magnificent palace and gardens. Further along, you'll find Valsaín Pine Forests along the Eresma, and the picturesque Boca del Asno, known for the Eresma River gorge, waterfalls, and natural pools. You'll also cross the Anzolero Bridge.
While dogs are generally allowed in the Sierra de Guadarrama National Park, they must be kept on a leash at all times to protect wildlife and ensure the safety of other trail users. Always clean up after your dog.
The best time to ride this route is typically in spring or autumn. Spring offers lush greenery and pleasant temperatures, while autumn provides vibrant colors. Summer can be very hot, and winter may bring snow and ice, making some sections impassable or more challenging.
No specific permits or entrance fees are required to access the trail itself. However, as parts of the route are within the Sierra de Guadarrama National Park, it's important to respect park regulations, such as staying on marked trails and not disturbing wildlife.
Parking is available near the Presa del Pontón Alto, which serves as a common starting point for routes in the area. You can also find parking options around Real Sitio de San Ildefonso, particularly near the Royal Site, though these might be busier.
Yes, this route overlaps with several other paths. You'll find sections that are part of the Ruta del Sureste, Sendero de los Reales Sitios, Pasaderas - Pesquerías, and the Camino Natural de la Cañada Real Soriana Occidental, among others.
Yes, the route passes through or near Real Sitio de San Ildefonso (La Granja), where you'll find various cafes, restaurants, and accommodation options. This makes it a good spot for a break or to extend your stay.
Within the Sierra de Guadarrama National Park, mountain biking is generally restricted to designated tracks and trails. It's crucial to stay on marked paths, respect natural environments, avoid disturbing wildlife, and maintain a safe speed, especially when encountering hikers. Always check the latest park regulations before your ride.
No, this route is classified as difficult and is not suitable for beginners or children. It requires advanced mountain biking skills and a high level of physical fitness due to its challenging terrain, constant climbs, and technical sections.
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