Montañas Vacías - Alto Tajo Circuit

This circular route in the Alto Tajo Natural Park is considered moderate. It requires good fitness and advanced riding skills. Due to the elevation gain, the toughness of the terrain, and the remoteness of the area, it is not recommended for beginners.

The route primarily consists of forest roads and double tracks, intentionally avoiding asphalt. While generally technically easy gravel roads, some points might be challenging even for well-equipped bikes. Riders with lighter gravel tires might encounter short hike-a-bike sections.

A mountain bike is ideal for this route. If you're using a gravel bike, a tire width of around 40-42mm is recommended to handle the varied gravel surfaces and potential challenging sections.

The starting point for this circular route is typically within the Alto Tajo Natural Park. Specific parking information would depend on your chosen access point within the park, but generally, you can find parking in the small villages or designated areas near trailheads.

Generally, there are no entrance fees or specific permits required for cycling within the Alto Tajo Natural Park. However, always respect local regulations, especially concerning protected areas and private land.

You can expect stunning natural beauty, including deep canyons, the crystal-clear turquoise waters of the Tajo River, and extensive forests. The landscape has been compared to parts of the American West or Chilean Patagonia. You might spot diverse wildlife such as otters, roe deer, and foxes.

Key highlights include the San Pedro Bridge, a scenic Trail along the Tajo River, and the La Atalaya Shelter. The route also passes through many small, often depopulated villages, offering a glimpse into the 'Spanish Lapland' concept.

The best time to ride this trail is typically during spring and autumn when temperatures are milder. Summers can be very hot, and winters can bring cold weather and snow, making some sections impassable.

While dogs are generally allowed in the Alto Tajo Natural Park, it's crucial to keep them on a leash to protect wildlife and ensure their safety, especially given the remote nature of the area and potential encounters with other animals.

Yes, this circular route is part of the larger 'Montañas Vacías' project and intersects with several other paths. Notably, it covers significant portions of the MontañasVacías route (50%) and the Camino Natural del Tajo (26%), along with smaller sections of the Camino de la Fuenta de la Parra and Camino del Pozuelo.

Yes, be prepared for significant stretches without mobile phone coverage. The Alto Tajo Natural Park is known for its remote and wild character, meaning communication can be unreliable. It's advisable to carry a map, GPS device, and inform someone of your route and expected return time.