4.7
(7)
91
riders
7
rides
Gravel biking around Gaztelu, a village in the Basque Country, offers varied terrain within the province of Gipuzkoa. The region is characterized by a green environment with verdant mountains, meadows, and forests, providing a mix of unpaved paths and hills. This topography creates diverse conditions for gravel cyclists seeking both scenic and challenging routes.
Last updated: July 3, 2026
4.7
(3)
51
riders
45.4km
02:42
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
18
riders
31.1km
01:58
440m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.5
(2)
12
riders
61.7km
04:24
1,210m
1,210m
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.
5
riders
36.8km
02:50
780m
780m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
28.4km
02:27
860m
860m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
74.7km
04:47
1,170m
1,170m
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.
2
0
A bar with a view and good food, a good place to stop. Closed Mondays.
0
0
Great route for beginners as has mainly constant and light slopes. Only half a dozen uphills the first 30 km from Pamplona.
0
0
One of the ideal areas to start the Plazaola greenway
0
0
Although you have to make a slight detour, it is worth visiting this bridge and taking a photo on it if you want.
0
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The 2700m tunnel is impressive and seems to never end. Advice: Bring clothes at least when passing through this tunnel as it is cool. Otherwise there is automatic lighting.
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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.
1
0
There are 8 gravel bike trails available around Gaztelu. These routes offer a variety of experiences, from moderate to difficult, traversing the region's green landscapes.
Gravel biking around Gaztelu is characterized by a diverse and exceptionally green environment. You can expect to ride through verdant mountains, meadows, and forests, encountering a mix of unpaved paths and hills. The terrain provides varied conditions suitable for both scenic and challenging rides.
Yes, many of the gravel bike routes around Gaztelu are designed as loops. For example, you can explore the Witches' Bridge – Plazaola Greenway loop from Leitza, or the Plazaola Greenway – Santa Cruz Tunnel loop from Leitza. Another option is the Cantina del Plazaola – Plazaola Greenway loop from Leitza, which offers varied terrain.
The Basque Country, where Gaztelu is located, experiences a mild climate. This generally means pleasant conditions for cycling for much of the year. While there is ample rainfall, which contributes to the lush green landscapes, spring and autumn often provide ideal temperatures and less extreme weather for gravel biking.
While most routes around Gaztelu are rated as difficult, there is one moderate option that might be more suitable for families with some cycling experience: the Plazaola Greenway – Santa Cruz Tunnel loop from Leitza. Greenways are often converted railway lines, providing flatter, traffic-free paths, which can be more enjoyable for a family outing.
The gravel bike trails around Gaztelu are highly rated by the komoot community, with an average score of 4.8 stars from over 6 reviews. More than 90 gravel bikers have used komoot to explore the varied terrain, often praising the natural landscape and challenging routes.
The gravel bike trails around Gaztelu feature significant elevation changes, reflecting the region's mountainous and hilly terrain. For example, the Cantina del Plazaola – Plazaola Greenway loop from Leitza involves over 1200 meters of ascent, while the Santa Cruz Tunnel – Witches' Bridge loop from Tolosa has over 1700 meters of climbing.
Gaztelu itself offers local architectural attractions such as the parish church of Nuestra Señora de la Asunción, the Town Hall with its three arches, and a well-preserved public wash house and fountain. While specific attractions directly on the gravel routes are not detailed, the routes often pass through the picturesque rural landscape, allowing you to experience traditional farmhouses and the essence of rural Gipuzkoa.
While specific parking areas for each trail are not detailed, Gaztelu is a small village with a communal square that includes a covered pelota court. It is generally possible to find parking within or near the village, especially if starting your ride from there. For routes beginning in nearby towns like Leitza or Tolosa, parking facilities would be available in those locations.
The duration of gravel bike trails around Gaztelu varies depending on the route and your pace. For instance, the Witches' Bridge – Plazaola Greenway loop from Leitza typically takes around 3 hours and 25 minutes, while longer routes like the Cantina del Plazaola – Plazaola Greenway loop from Leitza can take about 5 hours and 33 minutes. The longest route, Santa Cruz Tunnel – Witches' Bridge loop from Tolosa, can take over 9 hours.
The region around Gaztelu is rural, but routes often start or pass near villages and towns like Leitza or Tolosa, where you can find cafes and local establishments. While specific cafes directly on the trails are not listed, planning your route to include stops in these larger settlements will ensure you have access to refreshments and amenities.


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