4.8
(13)
142
riders
17
rides
Gravel biking around Ollo, located in Navarre, Spain, offers routes through a landscape characterized by greenways, river valleys, and rolling terrain. The region features the historic Plazaola Greenway, a former railway line converted into a cycling path, which traverses tunnels and viaducts. This area provides diverse gravel bike trails suitable for exploring the natural features of the Navarre countryside.
Last updated: July 3, 2026
5.0
(3)
28
riders
49.2km
02:56
600m
600m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
33
riders
37.3km
02:21
410m
410m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
18
riders
26.5km
01:44
230m
230m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
6
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
10
riders
107km
06:58
1,590m
1,590m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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As of May 24, 2026, the tunnel is closed. The alternative route is by road to the village of Leitza. From there, you take the greenway again.
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A bar with a view and good food, a good place to stop. Closed Mondays.
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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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We loved the town of Estella! Very welcoming ♥
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One of the ideal areas to start the Plazaola greenway
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Gothic House Gothic house from the end of the 15th century, which is notable for the enormous pointed doorway with a moulded ring and large voussoirs, on the keystone of which a quartered coat of arms is engraved, on the first and fourth floors, three bands with wolves inscribed on them, and on the second and third floors, panels. On the second floor, there are three pairs of twinned windows, with semicircular arches, with second lobed arches with balls and ogees. The wooden eaves that crown the building are notable.
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Except for the short 16% ramp, getting there was super smooth and easy.
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Santa María de Eunate is a Romanesque church on the Aragonese branch of the Way of St. James in Navarre. The church was built at the end of the 12th century in the Romanesque style with Mozarabic influences. The octagonal design is a reference to the Templars. There used to be a hospice here that belonged to the Order of St. John and today it is a hostel for pilgrims.
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Gravel biking in Ollo, Navarre, is characterized by its diverse landscape of greenways, river valleys, and rolling terrain. The region is particularly known for the historic Plazaola Greenway, a former railway line that offers smooth cycling through tunnels and over viaducts, providing a mix of moderate paths and more challenging routes with significant elevation changes.
Yes, while many routes around Ollo are rated as difficult, there are several moderate options available. For instance, the Plazaola Railway Memorial Arch – Gravel Path loop from 49. fazeria is a moderate 15.2-mile (24.5 km) trail that can be completed in under two hours, making it a good choice for those looking for a less strenuous ride. The greenway sections are generally smoother and more accessible.
The gravel trails around Ollo offer several interesting sights. You can explore the historic Plazaola Greenway itself, which includes tunnels and viaducts. Other natural highlights include the Portupekoleze Arch and the scenic Artazul Waterfall. For those seeking panoramic views, the area also features several summits like Eltxumendi Summit and San Donato Summit.
Yes, many of the gravel routes in Ollo are designed as loops. For example, the popular Santa Cruz Tunnel – Plazaola Greenway loop from Imotz is a challenging 30.6-mile (49.3 km) circular trail. Another excellent option is the moderate Plazaola Greenway – Gulina Viaduct loop from 49. fazeria, which covers 23.3 miles (37.6 km).
The gravel biking routes in Ollo are highly rated by the komoot community, with an average score of 4.88 stars from over 17 reviews. Riders frequently praise the varied terrain, the historical elements of the Plazaola Greenway, and the scenic beauty of the river valleys and rolling hills. The well-maintained greenway sections are often highlighted as a particular draw.
While specific climate data isn't provided, Navarre generally experiences a mild climate. Spring and autumn are typically ideal for outdoor activities like gravel biking, offering pleasant temperatures and vibrant landscapes. Summers can be warm, and winters might bring cooler temperatures, especially at higher elevations, so checking local weather conditions before your ride is always recommended.
Absolutely. Ollo offers several challenging routes for experienced gravel bikers. The Santa Cruz Tunnel – Plazaola Greenway loop from Imotz is a difficult 30.6-mile (49.3 km) trail with significant elevation gain. Another demanding option is the Plazaola Greenway – Gulina Viaduct loop from Imotz, which extends over 39 miles (62.8 km) and also features considerable climbing.
There are over 17 distinct gravel bike trails documented around Ollo on komoot, offering a wide range of distances and difficulty levels. These routes have been explored by more than 170 gravel bikers, indicating a vibrant local cycling community.
While the guide doesn't specify direct public transport links to every trailhead, Ollo is located in Navarre, Spain. Major towns in the region, such as Pamplona, typically have public transport connections. It is advisable to research local bus services or train connections to towns near the trailheads, such as Imotz or Irurtzun, and plan your route accordingly.
The guide data does not specifically list cafes or pubs directly on the trails. However, Ollo is a municipality in Navarre, and smaller towns and villages along the routes or near trailheads often have local establishments where you can find refreshments. It's a good idea to carry sufficient water and snacks, especially on longer rides, and check for amenities in nearby villages before you set out.
The gravel bike routes around Ollo vary significantly in length. You can find shorter, moderate trails like the Plazaola Railway Memorial Arch – Gravel Path loop from 49. fazeria at 15.2 miles (24.5 km), up to longer, more challenging routes such as the Plazaola Greenway – Gulina Viaduct loop from Imotz, which is over 39 miles (62.8 km) long. The average length of the documented routes is around 25 miles (40 km).
Yes, the region around Ollo has historical significance. Besides the former railway line of the Plazaola Greenway, you can also find the Aixita Castle Ruins and the San Miguel de Aralar Sanctuary, which are points of interest that could be incorporated into a gravel biking adventure.


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