4.2
(19)
3,882
runners
234
runs
Jogging around Zerain provides opportunities to explore a landscape defined by its natural contours and elevated areas. The region features numerous running routes that often include significant elevation changes, leading through hills and valleys. Many trails are characterized by challenging ascents and descents, offering a demanding experience for runners.
Last updated: October 7, 2026
35
runners
14.4km
02:10
750m
750m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
28
runners
16.8km
01:45
150m
150m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

22
runners
25.6km
03:57
1,370m
1,370m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
8
runners
7.43km
00:48
120m
120m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
runners
8.92km
01:00
210m
210m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Zerain is a beautiful traditional town set in a beautiful mountain environment. In addition, the town has several curiosities: a mansion on a farm that looks like a palace and the only dungeon in Guipúzcoa, built in the 18th century in the old town hall.
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Segura was founded by Alfonso Currently, its historic center is a magnificent example of traditional architecture.
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Very close to Arripillaeta, also with very good views.
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Very good views of the Aizkorri-Aratz National Park.
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Zegama is a municipality in the Goyerri region, in the province of Guipúzcoa, Basque Country. It is located at the foot of the Aitzgorri mountain range, in the upper basin of the Oria River, in the middle of a historic pass that linked the Iberian Peninsula with continental Europe. The Zegama - Aizkorri mountain marathon is held in Zegama, which has a medium distance course and also a special test, the vertical kilometer. All of these routes pass through the mountains near Zegama, with the hermitage of Sancti Spiritu, with its 180 meters of steep slope, being one of the mythical points of the marathon and the vertical kilometer.
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The views remind me of the alps. A joy.
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Zerain offers a wide selection of running opportunities, with over 190 routes documented on komoot. These trails cater to various preferences, though many feature significant elevation changes characteristic of the region.
While many trails in Zerain are quite challenging, there are a few less strenuous options. The region has 3 routes rated as easy, providing a gentler introduction to running in the area's natural landscape.
Running in Zerain means navigating a landscape defined by its natural contours, hills, and valleys. Expect challenging ascents and descents, often on varied terrain. Many routes are characterized by significant elevation changes, offering a demanding experience.
Yes, Zerain features numerous circular running routes. For example, you could try the San Adrián Tunnel – San Adrián Tunnel loop from Zegama, a difficult 9.9-mile path that includes a significant climb and descent. Another option is the Aizleor – Túmulo Txoritegi loop from Segura, which is 8.7 miles long.
Absolutely. Zerain is well-known for its challenging running trails, with 145 routes rated as difficult. These often involve substantial elevation gain, leading to summits and through varied, demanding terrain. A prime example is the Atxurbide – Balankaleku loop from Idiazabal, a 15.7-mile trail with considerable elevation.
Yes, several running routes pass by notable landmarks and offer scenic viewpoints. You might encounter the historic San Adrián Tunnel or enjoy views of prominent peaks like Aizkorri Summit (1,523 m). The region's natural beauty provides many opportunities for impressive vistas.
The running trails in Zerain are highly regarded by the komoot community, holding an average rating of 4.2 stars from over 10 reviews. More than 3000 runners have explored the varied terrain, often praising the challenging nature of the routes and the scenic beauty of the natural landscape.
Given that most routes in Zerain are rated as difficult with significant elevation changes, finding trails suitable for very young children or families seeking a very gentle stroll might be challenging. However, the 3 easy routes available could be an option for families with older children who are accustomed to some physical activity.
While specific regulations for dogs on trails can vary, many natural areas in Zerain are generally welcoming to dogs, especially if kept on a leash. It's always recommended to check local signage and ensure your dog is fit for the often-challenging terrain and elevation of the region's routes.
Access to trailheads in Zerain via public transport can be limited, as is common in more rural, mountainous regions. It's advisable to research local bus services to nearby towns like Idiazabal or Zegama, and then plan your route from there. Often, a car provides the most flexible access to the diverse trail network.
Parking availability will depend on the specific trailhead you choose. In smaller towns like Zerain, Idiazabal, or Zegama, you can often find public parking areas. For more remote trailheads, roadside parking might be an option, but always ensure you are not obstructing access or private property.
The best time for running in Zerain is generally during spring and autumn when temperatures are milder and the natural scenery is vibrant. Summer can be pleasant in the mornings or late afternoons, but be prepared for warmer conditions. Winter running is possible, but higher elevations may experience colder temperatures and potentially snow or ice, requiring appropriate gear.
Yes, Zerain's running landscape includes unique natural features. The San Adrián Tunnel – San Adrián Tunnel loop from Zegama, for instance, takes you directly through the historic San Adrián Tunnel, offering a memorable and distinctive experience during your run.


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