5.0
(2)
28
riders
3
rides
Gravel biking around Segura features routes characterized by significant elevation changes and varied terrain. The region's landscape includes numerous hills and valleys, providing challenging climbs and descents suitable for gravel cyclists. Trails often traverse diverse natural environments, offering a mix of surfaces from compacted earth to gravel paths, including extensive forest tracks and 4WD trails. This area is known for its demanding routes that test endurance and skill, set amidst dramatic limestone peaks, deep river valleys, and vast pine forests.
…Last updated: May 23, 2026
10
riders
33.3km
02:17
750m
750m
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.

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5.0
(1)
5
riders
43.5km
03:14
880m
880m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4
riders
26.2km
01:56
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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This area was a mining complex, the Mutiloa mining district, from the late 19th century. In 1911, 162 miners worked there, and in 1912, 34,500 tons of iron ore were stored and washed. After being transported by rail to Ormaiztegi, it was shipped to European steelworks. (https://www.mutiloakomeatzaritza.eus/es/la-via-verde/)
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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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Beautiful town nestled in the Guipuzcoan valley of Alto Urola. The name of the town comes from Basque and means 'place of the elm'. The Urola River runs through the town and separates it from the municipality of Urretxu. Zumárraga is also the end point of the Urola greenway, a cycle route that runs through a beautiful rural landscape. A destination with a lot of charm and personality.
1
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Beautiful town nestled in the Guipuzcoan valley of Alto Urola. The name of the town comes from the Basque and means 'place of the elm'. The river Urola runs through the town and separates it from the municipality of Urretxu. Zumarraga is also the end point of the Vía Verde del Urola, a cycling route that runs through a beautiful rural landscape. A destination with a lot of charm and personality.
2
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Picnic area with bike repair point.
0
0
Dirty shelter but useful in an emergency. Spectacular collar. There is a fountain and tables. By bike, the climb from Antzuola is about 5 km. and although it is a perfectly cycleable track, it has the occasional important ramp.
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0
Gravel biking around Segura is characterized by challenging ascents and varied natural paths. All routes listed in this guide are rated as difficult, catering to experienced gravel cyclists seeking demanding terrain and significant elevation changes.
Based on the available routes, Segura's gravel bike trails are predominantly difficult, featuring significant elevation changes and varied terrain. Therefore, they may not be suitable for beginners or young families looking for easy rides.
The gravel bike trails in Segura vary in length, generally ranging from approximately 16 miles (26 km) to 30 miles (49 km). Typical durations for these routes are between 2 hours 17 minutes and 3 hours 44 minutes, depending on the specific trail and your pace.
Many of the gravel bike routes in Segura start from towns like Legazpi, Zumarraga, Olaberri, and Beasain. You can usually find public parking facilities in these towns, which serve as convenient starting points for your rides.
The terrain in Segura is diverse, featuring numerous hills and valleys. You can expect a mix of surfaces from compacted earth to gravel paths, often traversing varied natural environments. The routes are known for their challenging climbs and descents.
While exploring the gravel bike routes, you can find several natural landmarks nearby. These include the historic San Adrián Tunnel, and various summits like Aizkorri Summit (1,523 m) and Aratz Summit (1,445 m). Some routes also pass by significant mountain passes such as Udana Pass Ascent.
Yes, many of the gravel bike routes in Segura are designed as loops. For example, you can explore the Mirandaola Forge and Park – Udana Pass Ascent loop from Legazpi or the Trekutz Picnic Area – Aizpurutxo Riverside Pathway loop from Zumarraga, both offering a complete circular experience.
The komoot community highly rates the gravel biking experience in Segura, with an average score of 5.0 stars. Reviewers often praise the challenging ascents, varied natural paths, and scenic viaducts, highlighting the demanding yet rewarding nature of the routes.
For a varied experience combining riverside sections with challenging climbs, consider the Trekutz Picnic Area – Aizpurutxo Riverside Pathway loop from Zumarraga. This difficult 20.7-mile (33.3 km) path provides diverse terrain and scenery.
Yes, the region is known for its scenic viaducts. The Ormaiztegi Viaduct – Aztiria loop from Olaberri is an excellent choice, leading through hilly landscapes and showcasing this impressive structure.
There are 5 gravel bike trails currently available in the Segura region, all of which are rated as difficult, offering a challenging experience for gravel cyclists.
While specific seasonal data isn't provided, the varied terrain and significant elevation changes suggest that spring and autumn would likely offer the most comfortable temperatures for tackling these demanding routes. Always check local weather conditions before heading out.


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