4.3
(196)
18,235
runners
324
runs
Jogging routes around Alonsotegi are set within a mountainous terrain in the province of Biscay, Spain, characterized by steep slopes and an altitude range from 50 to 1,000 meters above sea level. The region is embraced by prominent mountain ranges like Ganekogorta, Pagasarri, and Sasiburu, which provide a backdrop for numerous routes. Diverse ecosystems, including oak groves, beech forests, and meadows, enhance the running experience. The Cadagua River valley offers gentler paths, complementing the more strenuous mountain trails.
Last updated: July 5, 2026
56
runners
27.5km
04:06
1,440m
1,440m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
29
runners
15.4km
02:07
720m
720m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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31
runners
22.7km
03:21
1,140m
1,140m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
20
runners
8.83km
01:15
400m
400m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
21
runners
13.5km
01:58
800m
800m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Telecommunications antennas next to the mailbox. This peak is included in the catalogue of Centenary Peaks of Euskal Herria. However, its fame goes to its neighbour Pagasarri.
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Recognized as a top choice for fans in Bilbao and its surroundings.
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Summit listed in the Catalogue of Centenaries
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Impassable route. From the Nocedal dam the path disappears among brambles. There is no way to reach the summit. Shame! The path between Zaramillo and Alonsotegi is also impassable.
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Alonsotegi offers a wide selection of over 330 running routes. These trails cater to various fitness levels, from easy paths to challenging mountain ascents.
Yes, Alonsotegi has 22 easy running routes suitable for beginners or those looking for a more relaxed jog. The Cadagua River valley, for instance, provides gentler terrain compared to the steeper mountain trails.
The terrain around Alonsotegi is predominantly mountainous, featuring steep slopes and significant altitude changes. You'll encounter diverse landscapes, including oak groves, beech forests, and meadows, especially around the Ganekogorta, Pagasarri, and Sasiburu mountain ranges. The Cadagua River valley offers flatter sections.
While many routes involve significant elevation, there are 22 easy trails that could be suitable for families. Look for routes with less elevation gain, often found along the Cadagua River valley, for a more relaxed experience.
Many outdoor trails in the Basque Country are dog-friendly, but it's always recommended to keep your dog on a leash, especially in areas with wildlife or livestock. Check specific route details on komoot for any local restrictions or recommendations.
The running routes in Alonsotegi are highly rated by the komoot community, with an average score of 4.4 stars from over 140 reviews. Runners often praise the diverse terrain, the challenging ascents with rewarding panoramic views, and the well-preserved natural spaces.
Yes, many of the running routes in Alonsotegi are designed as loops. For example, the challenging Ganeroitz loop from Zaramillo offers varied terrain through mountainous landscapes, forests, and open areas.
The region is rich in natural beauty and historical interest. You might encounter old mines, ancient stones, and fountains along routes like the Ruta de las Minas y Sales. For impressive views, trails leading to the Sasiburu pass, such as the Ruta de Peñas Blancas, offer vistas of the Cadagua valley. You can also explore nearby attractions like Pozo Hostión or the Gorostiza Reservoir.
Absolutely. Alonsotegi is known for its challenging mountainous terrain. Routes like the Ganekogorta Summit – Pagero Summit loop from Zaramillo feature significant elevation gain and panoramic mountain views, ideal for very fit and experienced runners.
The diverse ecosystems and mountainous terrain make Alonsotegi enjoyable across seasons. Spring and autumn generally offer milder temperatures and vibrant scenery, which are ideal for trail running. Summer can be warm, especially at lower elevations, while winter might bring cooler temperatures and potentially snow at higher altitudes.
Yes, parts of the extensive GR-228, also known as the Bilbao Green Ring, pass through Alonsotegi. These sections provide panoramic views of Bilbao and the surrounding peaks, offering a unique perspective of the city from the natural landscape.
Parking availability varies by trailhead. For routes starting from Zaramillo, such as the Ganekogorta Summit – Pagero Summit loop or the Ganeroitz loop, you can typically find parking in or near the village. For routes starting from Kastrexana, like the Apuko Summit – Eretza Summit loop, look for designated parking areas in that vicinity.
Alonsotegi is a municipality with a local population, so you can expect to find cafes and pubs within the main town areas or smaller villages near popular trailheads. These establishments offer opportunities for refreshments before or after your run.


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