Sierra de la Demanda Greenway and Arlanzón Reservoir Loop

This touring bicycle route is approximately 52.4 km (32.5 miles) long and generally takes around 3 hours and 23 minutes to complete. However, this duration can vary based on your cycling pace, fitness level, and how often you stop to enjoy the scenery or take breaks.

While the Sierra de la Demanda Greenway itself has gentle slopes, the full loop incorporating the Arlanzón Reservoir is rated as difficult for touring cycling. It involves significant elevation changes (over 560 meters up) and varied terrain, including forest tracks and potentially difficult unpaved segments. It's not considered an 'initiation route,' and some sections may require very good fitness or even pushing your bike, especially with touring gear.

The terrain is quite varied. You'll primarily find compacted earth or gravel on the Greenway sections. However, the loop also includes forest tracks, some paved secondary and mountain roads, and unpaved segments. Be prepared for a mix of surfaces, some of which can be challenging.

The route offers stunning natural beauty. You'll cycle through dense oak, beech, and Scots pine forests, open pastures, and enjoy picturesque views of the Arlanzón River. A major highlight is the expansive Beautiful views over the Arlanzón reservoir, and the Viewpoint - Úzquiza Reservoir. You'll also pass through charming villages like Pineda de la Sierra with its mountain-style architecture.

The region is rich in biodiversity. You might spot birds of prey, squirrels, foxes, and deer. It's also known to be home to the elusive Iberian wolf, making it an excellent trail for nature enthusiasts.

The route is celebrated for its lush environment, influenced by humidity from the nearby Cantabrian mountain range. Spring and autumn generally offer pleasant temperatures and vibrant scenery, making them ideal for cycling. Summers can be warm, and winters may bring colder conditions or snow at higher elevations.

The route can be accessed from various points, often starting near the Arlanzón Reservoir or villages like Pineda de la Sierra. A notable starting point is near the Start of the Vía Verde de la Sierra de la Demanda. Parking facilities are typically available in or near these villages and access points, though specific details may vary.

Yes, this route integrates sections of several official trails. You'll find yourself on parts of the Ruta del Sureste, the Vía Verde de la Sierra de la Demanda, and the Vía Verde de la Sierra de la Demanda BTT. It also briefly touches on Etapa 1 Pineda de la Sierra - Alarcia and Etapa 12 Barbadillo de Herreros - Pineda de la Sierra, among others.

Generally, greenways and natural areas in Spain are dog-friendly, but dogs should be kept on a leash to protect wildlife and ensure the safety of other users. Always clean up after your pet. Specific regulations for the Espacio Natural de la Sierra de la Demanda should be checked.

The route passes through the Espacio Natural de la Sierra de la Demanda. Typically, there are no entrance fees for accessing natural parks in Spain for recreational activities like cycling. However, if you plan any specific activities like camping or hunting, permits might be required. For general cycling, permits are usually not necessary, but it's always wise to respect local regulations and signage.

Yes, the route passes through charming villages such as Pineda de la Sierra. These villages often offer local amenities, including cafes, restaurants, and accommodation options where you can refuel and rest. The town of Arlanzón is also nearby.