5.0
(1)
32
riders
8
rides
Gravel biking around Parçonerie Générale De Guipuscoa-Et-Alava offers diverse terrain within the Aizkorri-Aratz Natural Park, characterized by limestone mountains and karstic formations. The region features extensive indigenous forests, including ancient beech and oak woodlands, alongside vast mountain pastures. Riders encounter varied surfaces, from compact dirt to rocky paths, across a landscape shaped by geological features and historical routes. This area provides a range of gravel biking experiences, from challenging ascents to tranquil forest trails.
Last updated: May 5, 2026
6
riders
43.0km
02:59
450m
450m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
37.5km
02:57
440m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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13
riders
50.0km
03:13
580m
580m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
6
riders
41.2km
03:08
890m
880m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
3
riders
24.3km
01:42
220m
220m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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A very beautiful rocky landscape with passages, arches and rock "tables"
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The Ormaiztegi Viaduct (inaugurated on August 15, 1864) is the town's most emblematic symbol. Designed by engineer Alexander Lavalley, a predecessor of Gustave Eiffel, it stands in a beautiful landscape overlooking the Eztanda River. It is the most important structure on the Madrid-Paris railway line, spanning 289 meters in length and 34 meters in height. Its 18,000 tons are supported by four pillars. The double track was installed in 1912 and electrified in 1928. It is currently disused and forms part of the Basque Country's cultural heritage.
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Very easy walk to start
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I went in July 2023. This cave is completely closed. There are signs from the Basque government saying DO NOT ENTER (and explaining the consequences and the work they're doing) and plastic tape blocking the entrance. There are lots of constructions tools around too. Don't expect to get in unless you're willing to destroy the small stone wall and all the tape blocking the entrance.
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Within the Urbasa-Andia Natural Park is this wonderful place with an interesting history related to its name. In addition to being one of the most spectacular caves in the area, its name dates back to the Carlist era in which it is said that General Zumalacarregui threw the shot soldiers of the other side, who were known as Cristinos or Isabelinos. Before going to the place, I recommend that you check on the official website if access is open, a while ago it was closed due to COVID (http://cuevacristinos.com/)
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The region, part of the Aizkorri-Aratz Natural Park, offers a diverse and rugged landscape. You'll encounter dramatic limestone mountains, karstic formations, dense indigenous forests (predominantly beech and oak), and vast mountain pastures like the Campas de Urbia. Surfaces vary from compact dirt to rocky paths, providing a dynamic experience with challenging ascents and descents.
Yes, the area is rich in both. You can cycle through the historic San Adrián Tunnel, an ancient medieval road. Other notable attractions include the dramatic Sanctuary of Arantzazu, megalithic monuments, and various natural features like caves and springs. For routes featuring waterfalls, consider exploring the Waterfalls around Parçonerie Générale De Guipuscoa-Et-Alava guide.
The region experiences a humid climate with mild summers and cold, snowy winters. For the most comfortable gravel biking, late spring to early autumn (May to October) generally offers the best conditions, with milder temperatures and less chance of snow at higher elevations. However, the diverse climate means conditions can vary significantly with elevation and slope, so always check local forecasts.
While many routes in the Aizkorri-Aratz Natural Park are challenging, there are options for varying fitness levels. The network includes moderate rides, though the majority of the listed tours are rated as difficult. For families or beginners, look for routes described as having less elevation gain and smoother surfaces. Always check the route details on komoot for specific difficulty ratings.
Yes, many of the gravel biking routes in the area are designed as loops. For example, the Camping Perkasa – Raso de Ezkiza loop from Camping Urbasa and the Camping Perkasa – Zalamportillo Arch loop from Camping Urbasa are popular circular options, allowing you to start and finish at the same point.
The gravel biking routes around Parçonerie Générale De Guipuscoa-Et-Alava are highly rated by the komoot community, with an average score of 5.0 stars from over 1 review. Over 65 gravel bikers have used komoot to explore the varied terrain, often praising the challenging ascents, tranquil forest trails, and stunning natural vistas.
The Aizkorri-Aratz Natural Park is accessible by car, and many trailheads, especially near traditional villages or popular starting points like the Sanctuary of Arantzazu, offer parking facilities. For specific routes, checking the tour details on komoot will often provide information on recommended starting points and parking availability. Public transport options might be limited to larger towns surrounding the park.
Generally, gravel biking on established paths and trails within the Aizkorri-Aratz Natural Park does not require specific permits for recreational use. However, it's always advisable to respect local regulations, stay on marked trails, and be aware of any temporary restrictions, especially during hunting seasons or conservation efforts. For detailed information, you might consult the official Aizkorri-Aratz Natural Park website.
While the routes traverse natural and often remote areas, you can find amenities in the traditional villages surrounding the Parzonería and within the Aizkorri-Aratz Natural Park. Popular starting points like the Sanctuary of Arantzazu often have facilities. For specific routes, planning your trip with komoot allows you to identify nearby towns or points of interest where cafes, pubs, or accommodation might be available.
Absolutely. The region's limestone mountains and karstic formations provide ample opportunities for challenging rides with significant elevation gain. Routes like the Arbizu Eco-Camping – Camping Etxarri loop from Altsasu-Alsasua, with over 580 meters of ascent, are designed for experienced gravel bikers seeking a demanding workout across varied landscapes.
Yes, the Aizkorri-Aratz Natural Park is renowned for its extensive and magnificent indigenous forests, particularly beech and oak woodlands. Many gravel routes, such as the Camping Perkasa – Zalamportillo Arch loop from Camping Urbasa, lead through these shaded and tranquil areas, offering a unique riding experience amidst ancient trees.
Yes, the region's historical infrastructure can be a highlight of your ride. The Ormaiztegi Viaduct – Aztiria loop from Olaberri, for instance, incorporates the impressive Ormaiztegi Viaduct, offering a blend of natural beauty and architectural interest along your gravel biking adventure.


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