4.8
(14)
192
riders
11
rides
Gravel biking around Zizurkil features a landscape characterized by river valleys, greenways, and significant elevation changes. The region offers a mix of natural paths and historical routes, including sections that pass through tunnels and alongside rivers. Zizurkil's mountainous interior and verdant valleys provide diverse terrain for mixed-surface routes. Terrain often involves sustained climbs and descents, providing a challenging experience for gravel cyclists.
Last updated: July 3, 2026
4.7
(3)
55
riders
50.2km
03:01
640m
640m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(3)
32
riders
29.9km
02:08
560m
560m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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5.0
(1)
12
riders
95.6km
06:24
1,670m
1,670m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
110km
07:04
1,760m
1,760m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
59.4km
04:49
1,380m
1,380m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Up in the mountains, you can already guess what's coming.
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Great route for beginners as has mainly constant and light slopes. Only half a dozen uphills the first 30 km from Pamplona.
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very beautiful view I love it
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One of the ideal areas to start the Plazaola greenway
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Although you have to make a slight detour, it is worth visiting this bridge and taking a photo on it if you want.
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climb with 3 different slopes from Leitza about 6km from Goizueta about 15km from Santesteban about 23km
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That bridge is called "INTUIA-ko zubia" the INTUIA farmhouse is next to it. The misnamed "witches' bridge" is called UNANIBI-ko zubia, right in the Otita park (beginning of the Leitzaran valley). Don't forget to bring lights to cross the numerous tunnels in this valley!! Not to see but to be seen.
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Gravel biking around Zizurkil is characterized by diverse terrain, including river valleys, historic greenways, and significant elevation changes. You'll encounter natural paths, sections through tunnels, and routes alongside rivers. Expect sustained climbs and descents, providing a challenging experience.
The gravel biking network around Zizurkil is primarily designed for experienced riders seeking demanding routes. Most of the 19 available tours are rated as difficult, with only one route considered moderate and none classified as easy. This region is best suited for those comfortable with challenging climbs and varied terrain.
For those looking for longer rides, the Santa Cruz Tunnel – Witches' Bridge loop from Tolosa is a substantial option, covering nearly 110 km with significant elevation gain. Another challenging long-distance route is the Plazaola Greenway – Witches' Bridge loop from Errekalde, which is 86.6 km long.
Yes, many of the gravel bike routes in Zizurkil are designed as loops. For instance, the Oria River – Andoain loop from Asteasu offers a 45.3 km circular ride, allowing you to start and finish at the same point.
The gravel biking routes in Zizurkil are highly rated by the komoot community, with an average score of 4.8 stars from around 30 reviews. Riders often praise the challenging nature of the trails, the scenic river valleys, and the unique experience of riding through historic greenways and tunnels.
The routes often follow historic greenways and river valleys, offering picturesque views. While specific viewpoints are not detailed for every route, the region's characteristic river valleys and elevated sections naturally provide scenic vistas. The Witches' Bridge is a notable landmark featured on several routes.
Yes, the area around Zizurkil offers several interesting landmarks. You might encounter the historic Witches' Bridge on some routes. For those interested in natural beauty, nearby mountain peaks like Uzturre Summit (733 m) and Adarra Summit (849 m) offer impressive views, though they may require a separate hike.
The Basque Country, including Zizurkil, generally experiences mild weather, making gravel biking enjoyable for much of the year. Spring and autumn offer pleasant temperatures and lush landscapes. Summers can be warm but are often suitable, while winters are typically mild but can bring rain. Always check local weather forecasts before heading out.
Yes, several routes in the Zizurkil area incorporate tunnels, adding a unique element to the ride. The Santa Cruz Tunnel – Witches' Bridge loop from Andoain-Centro is a prime example, leading through diverse landscapes including tunnel sections.
There are 19 gravel bike trails documented in the Zizurkil region on komoot. The vast majority of these, 18 routes, are rated as difficult, catering to experienced gravel cyclists.
Given the region's challenging terrain, you can expect significant elevation gains on most routes. For example, the Santa Cruz Tunnel – Witches' Bridge loop from Andoain-Centro involves over 1600 meters of ascent, while the Oria River – Andoain loop from Asteasu has an elevation gain of over 860 meters.
While specific parking information for each trailhead isn't detailed, routes often start from towns like Errekalde, Andoain-Centro, Asteasu, or Tolosa. These towns typically offer public parking options. It's advisable to check local parking availability in your chosen starting town before your ride.


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