4.5
(2252)
14,219
hikers
35
hikes
Dog friendly hiking trails around Embalse de Gorostitza are set within a deep, narrow valley, flanked by the Sasiburu and Argalario mountain ranges. The area features diverse terrain, including lush woodlands and paths that often run alongside the reservoir. Hikers can expect varied elevation changes as routes ascend into the surrounding hills, offering views of the water and natural landscapes. The region is characterized by its green environment, providing a natural escape with a mix of flat sections and more challenging climbs.
Last updated: June 29, 2026
4.7
(3)
29
hikers
15.2km
04:54
650m
650m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.5
(2)
26
hikers
16.8km
06:08
1,000m
1,000m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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4.6
(7)
17
hikers
10.3km
03:43
560m
560m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.0
(1)
6
hikers
9.24km
03:13
520m
520m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
16
hikers
10.7km
03:21
410m
410m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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Great view from up here at the cross!
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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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Views of Barakaldo, the estuary and the Cantabrian Sea
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Mount on Zaramillo with good views
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There are over 35 dog-friendly hiking trails around Embalse de Gorostitza, offering a variety of options for you and your canine companion. These range from easy strolls to more challenging mountain ascents.
The trails around Embalse de Gorostitza offer diverse terrain. You'll find comfortable pedestrian walkways along the reservoir, often flat and shaded by lush woodland. Further afield, trails can lead into the Sasiburu and Argalario mountain ranges, featuring more varied and sometimes steeper paths. Many routes are suitable for dogs of varying fitness levels.
While Embalse de Gorostitza is generally dog-friendly, it's always best practice to keep your dog on a leash, especially in areas with wildlife or other hikers. Please ensure you clean up after your dog to help maintain the natural beauty of the area for everyone.
Yes, the proximity to the Embalse de Gorostitza reservoir means many trails offer views and access to water. The Iturrieta waterfall and small beach area can also provide opportunities for your dog to cool off, depending on water levels. Always carry extra water for your dog, especially on longer hikes.
Absolutely. Many of the trails around Embalse de Gorostitza are designed as circular routes, allowing you to start and end at the same point without retracing your steps. An example of a moderate circular route is the Torregoiko – Gongeda Summit loop from Irauregi Alonsotegi.
The entire area offers picturesque scenery. The pedestrian walkway along the reservoir provides uninterrupted views of the water and surrounding nature. You can also seek out the tranquil Iturrieta waterfall or explore the diverse landscapes of the Sasiburu and Argalario mountain ranges for stunning vistas. Birdwatching is also popular, with cormorants, egrets, and herons often seen in winter.
Yes, there are usually parking options available near popular access points to the Embalse de Gorostitza trails, particularly around the El Regato area. It's advisable to check specific trailhead information for the most convenient parking spots for your chosen route.
Spring and autumn are ideal for hiking with your dog around Embalse de Gorostitza. The weather is generally mild, and the extensive woodland provides pleasant shade. During these seasons, the natural colors are vibrant, and the trails are less crowded than in peak summer.
Yes, for those seeking a more strenuous adventure, there are challenging routes that ascend into the surrounding mountains. For example, the Ganekogorta Summit – Arrabatxu loop from Irauregi Alonsotegi offers a difficult hike with significant elevation gain, perfect for fit dogs and their owners.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 2,100 ratings. Reviewers often praise the tranquil environment, the variety of paths suitable for different dog energy levels, and the beautiful natural scenery that makes for a relaxing outing with their pets.
Yes, Embalse de Gorostitza offers several easy trails perfect for older dogs, puppies, or those new to hiking. The comfortable pedestrian walkway along the reservoir is mostly flat and provides a gentle, shaded environment. Look for routes marked as 'easy' in the guide for suitable options.
Beyond your usual hiking essentials, remember to pack plenty of water for both you and your dog, a portable water bowl, dog waste bags, and a leash. Depending on the weather, consider a dog coat or booties. Snacks for your dog are also a good idea, especially on longer routes like the Apuko Summit (469 m) – PeñaDelDiablo loop from Irauregi Alonsotegi.

