The best traffic-free bike rides around Aizkorri-Aratz parke naturala/Parque Natural de Aizkorri-Aratz

There are 13 dedicated no-traffic gravel bike routes listed in this guide for Aizkorri-Aratz parke naturala/Parque Natural de Aizkorri-Aratz. These routes offer a mix of moderate and difficult terrain, ensuring a car-free experience through the region's diverse landscapes.

The no-traffic gravel routes in Aizkorri-Aratz vary in difficulty. You'll find 6 moderate routes and 7 difficult routes. Elevation gains can range significantly, from around 150 meters on flatter reservoir loops to over 580 meters on more challenging trails like the Arbizu Eco-Camping – Camping Etxarri loop from Altsasu-Alsasua, which is classified as difficult.

While many routes feature significant elevation, some sections, particularly around the Ullibarri-Gamboa Reservoir, offer more gentle terrain suitable for families. Routes like the Ullibarri-Gamboa Reservoir – Ullíbarri-Gamboa Reservoir loop from Landa provide a moderate, scenic experience with less demanding climbs.

The park is rich in natural beauty. You can expect to cycle through extensive beech forests, across the open Urbia Plains with their dolmens and shepherds' huts, and past limestone mountains. Some routes offer views of karstic formations and river valleys. For specific natural highlights, consider exploring areas near the Eye of Aitzulo or the impressive Aizkorri Summit, though reaching the summits often involves challenging climbs.

Absolutely. A significant historical landmark is the San Adrián Tunnel, an ancient medieval passage that was part of the Camino Real and the Way of Saint James. While some routes might pass near it, accessing the tunnel itself might require a short detour or hike. The park also features numerous megalithic monuments, especially in the Urbia Plains, hinting at prehistoric human presence.

Spring and autumn are generally ideal for gravel biking in Aizkorri-Aratz. Spring brings lush greenery and comfortable temperatures, while autumn offers spectacular colors in the beech forests. Summers can be warm, especially at lower elevations, but higher routes provide cooler air. Winters can be cold with snow at higher altitudes, making some trails impassable.

Yes, many of the no-traffic gravel routes in this guide are circular, allowing you to start and end at the same point. Examples include the Garaio Footbridge – Azua Footbridge loop from Landa and the Ullibarri-Gamboa Reservoir – Ullíbarri-Gamboa Reservoir loop from Mendixur, which offer convenient round trips.

The area is highly rated by the komoot community, with an average score of 4.78 stars. Reviewers often praise the stunning natural beauty, the challenging yet rewarding climbs, and the sense of tranquility found on the car-free trails through dense forests and expansive plains. The diverse terrain and panoramic views from higher points are frequently highlighted.

Accessing some trailheads within Aizkorri-Aratz by public transport can be limited, as many routes start from smaller villages or more remote areas. It's advisable to check local bus schedules for towns bordering the park, such as Alsasua or Oñati, and plan your route accordingly. Parking is generally available at common starting points like Landa or Mendixur for those arriving by car.

Generally, no specific permits are required for cycling on established trails within Aizkorri-Aratz Natural Park. However, it's always recommended to respect park regulations, stay on marked paths, and be mindful of protected areas. For detailed information on park rules, you can consult the official Basque Country tourism website: Aizkorri-Aratz Natural Park.

While the routes themselves are often remote and car-free, you can typically find cafes, restaurants, and small shops in the villages surrounding the natural park, such as Landa, Mendixur, or Altsasu-Alsasua, which serve as common starting points for many tours. It's always a good idea to carry sufficient water and snacks, especially on longer rides.