Aurizberri, Bizkarreta, Erro, Zilbeti – Circular Route

This route is classified as a "difficult" touring bicycle ride and demands "very good fitness" from cyclists due to its significant elevation gain of over 900 meters and nearly 40-kilometer distance.

The route is primarily on paved surfaces, making it suitable for touring bicycles. However, be prepared for considerable elevation changes, including a notable climb over the Erro Pass.

You'll pass through charming villages like Aurizberri/Espinal, Bizkarreta, Erro, and Zilbeti Village. Highlights include the Erro Pass, a river crossing, and the extensive beech forest near Zilbeti. Aurizberri/Espinal also has a cheese factory worth visiting.

Yes, near Zilbeti Village, you can find the remnants of the Romanesque monastery of San Zacarías, which is frequently visited by pilgrims on the Way of St. James. Aurizberri/Espinal is also known for several dolmens in its surrounding area.

While the route is circular and can be started from various points, Aurizberri/Espinal is a common starting point and likely offers parking facilities. It's a good idea to check local parking options upon arrival.

The Navarra region, with its forests and valleys, is beautiful throughout the warmer months. Spring and autumn generally offer pleasant temperatures and vibrant scenery, making them ideal for cycling. Summer can also be good, but be prepared for potentially warmer weather on climbs.

No, there are no specific permits or entrance fees required to cycle this route. It traverses public roads and trails.

While the route is primarily on paved surfaces and passes through villages, it's generally not recommended for dogs due to the challenging nature of the ride and potential traffic. If you do bring a dog, ensure it is well-trained, on a leash, and capable of keeping up with a difficult cycling pace, or consider alternative arrangements.

Yes, the route intersects with sections of several other paths, including the Camino Francés - 01, European long distance path E3 - part Spain, and various segments of the Donejakue bidea (Way of St. James).

Yes, you'll find options in the villages along the route. For example, Aurizberri/Espinal has a cheese factory where you can purchase local products, and Bar Dena Ona is a highlight listed on the route, offering a place to stop for refreshments.

The climb over the Erro Pass is a significant challenge. It is 2.9 kilometers long with an average gradient of 4.9% and reaches an altitude of 801 meters, requiring sustained effort.