Best lakes around Zalla, located in the province of Biscay within the Basque Country, offers a diverse natural landscape. The area is characterized by the Cadagua River, providing local recreational opportunities. While Zalla itself features smaller water bodies, the broader region includes significant reservoirs. This guide highlights various water features, from former mining lakes to scenic viewpoints overlooking larger reservoirs.
Last updated: July 3, 2026
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With several sculptures and some picnic tables.
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One of the entrances to the Lakes/Wells.
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The trail reaches the Lingorta Reservoir collecting the waters of the mountain streams to create this incredible scenic landscape.
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Small reservoir located in the Vall de Mena and close to the town that bears the same name as the reservoir, Arceniega.
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Comfortable route and beautiful surroundings.
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It is a wonderful place to enjoy the environment
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The largest of the three wells. Its name comes from a Euskaldun foreman who did not speak Spanish well and who always said "I give hostión" to threaten miners who did not work well.
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There are sections of trail with possible mud
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The region offers several interesting natural features. You can visit the Lakes of the Old Iron Mines, a natural monument with intermediate trails. For panoramic views, the View of the Ordunte Reservoir provides breathtaking vistas of the reservoir and its streams. Additionally, the Pozo Hostión, a former mining well, is a significant natural landmark.
Yes, there are various trails. The Lakes of the Old Iron Mines feature intermediate trails, though some sections may be muddy. The area around the Nocedal Reservoir (also known as Lingorta) is known for tranquil hiking. For more structured routes, you can explore the many MTB Trails around Zalla, which often pass by water bodies, or the Cycling routes around Zalla that follow the Cadagua River.
While some areas might look inviting, swimming is generally not recommended or is strictly prohibited in certain spots. For example, bathing in the Pozo Ostión Recreation Area is strictly prohibited due to its dark waters and treacherous depths. For designated swimming, the Ullíbarri-Gamboa Reservoir, though further afield in Álava, offers recreational areas with Blue Flag certified beaches.
Yes, the Arceniega Reservoir is considered family-friendly. The Pozo Ostión Recreation Area also offers a green space with picnic tables and sculptures, making it suitable for families, though swimming is not allowed. The Urrunaga Reservoir, located between Álava and Biscay, also features parks with playgrounds and picnic facilities.
The best time to visit largely depends on your preferred activities. Spring and autumn offer pleasant temperatures for hiking and cycling, with autumn potentially showcasing beautiful colors around the water bodies. Summer is ideal for enjoying recreational areas and water activities at larger reservoirs like Ullíbarri-Gamboa, though Zalla's immediate area is more riverine. Winters are generally mild, allowing for year-round outdoor exploration.
Beyond hiking, the region offers various outdoor activities. The Cadagua River, which flows through Zalla, is popular for fishing. For cycling, there's a bike path along the former train rail of La Robla, following the river. You can also find numerous Road Cycling, Touring Bicycle, and MTB trails in the wider Zalla area that often incorporate views of the reservoirs and river valleys.
Yes, some of the water bodies have a rich history, particularly related to mining. The Pozo Hostión and the Lakes of the Old Iron Mines are former mining lakes, offering a glimpse into the region's industrial past. The name 'Pozo Hostión' itself comes from a foreman's unique way of motivating miners.
Many natural trails in the Zalla region are generally dog-friendly, especially those in rural and forested areas. However, it's always advisable to keep dogs on a leash, especially near wildlife or livestock, and to check for specific local regulations at recreation areas. Always carry water for your dog and clean up after them.
While Zalla itself has amenities, specific cafes, pubs, or accommodation directly adjacent to the smaller, more remote lakes might be limited. However, the recreational areas along the Cadagua River and around larger reservoirs like Urrunaga often have facilities. For a wider selection, you would typically find options in Zalla town or nearby villages.
While Zalla itself is more riverine, the broader Basque Country offers significant reservoirs. The Ullíbarri-Gamboa Reservoir in Álava is the largest, known for recreation and sailing. The Urrunaga Reservoir, between Álava and Biscay, is another major attraction with leisure activities. Closer to Zalla, the Nocedal Reservoir (Lingorta) in Güeñes provides a tranquil natural setting.
Access to the more remote lakes and reservoirs by public transport can be challenging. Zalla town is served by public transport, but reaching specific natural highlights often requires a car or a combination of public transport and a significant walk. It's best to check local bus schedules for routes to nearby towns and then plan your journey to the specific lake or viewpoint.


Still not found your perfect lake around Zalla? Check out the guides of these regions to see even more beautiful places.