Top 17 Lakes in Guarda
Best lakes in Guarda are found within the mountainous Serra da Estrela region of Portugal, featuring a landscape shaped by glacial activity. This district is home to several lakes and reservoirs, many of which originated as natural glacial lakes or were developed for water management and hydroelectric power. The area offers diverse aquatic environments, from high-altitude glacial depressions to dammed rivers. These features contribute to the region's natural character and provide opportunities for exploration.
Best lakes in Guarda
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Last updated: June 27, 2026
Covão dos Conchos Trail
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Long Lake
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Vale do Rossim Reservoir
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Vale do Rossim River Beach Restaurant
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Poço da Broca de Serapitel
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Hidden cascade at Poço do Inferno
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Covão do Ferro Lake
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Lagoa do Peixão
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Trail to the Upper Lakes, Serra da Estrela Natural Park
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Waterfall and natural swimming pool in Parque Natural da Serra da Estrela
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Tips from the Community
Covão dos Conchos is an artificial lagoon located in the Serra da Estrela Natural Park, Portugal, near the mountain village of Sabugueiro. Covão dos Conchos became famous for its bell-mouth spillway[1]. The spillway was built in 1955 to allow water to be transferred from the Ribeira das Naves River to Lagoa Comprida. It is part of the Serra da Estrela Hydroelectric System. This science fiction-style spillway became famous when photographs of the hole went viral on social media in 2016. Over the past 60 years, the growth of vegetation at the funnel's mouth has created extraordinary biodiversity and increased its ethereal allure. It is 4.6 meters high and 48 meters in circumference. The tunnel that collects the water is 1,519 meters long.
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Next to the Nave de Santo António, the Covão do Ferro or Padre Alfredo dam, inaugurated in 1956, uses a glacial cirque and collects water from the Alforfa stream. It was commissioned by Father Alfredo to supply electricity to the wool industry in Unhais da Serra. Unhais da Serra can be seen in the background.
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Located within the Planalto Superior biogenetic reserve, the Rossim Valley is a unique location of great scientific, environmental, and scenic value that deserves to be protected and enhanced. Although it is an artificial lake, over time, conditions have been created that have transformed this area into an excellent leisure and recreation area that attracts countless tourists. The Vale do Rossim recreation center is located at an average altitude of 1,437 meters. Before the dam was built, it was one of the best high-altitude pastures in the municipality of Gouveia. The area has almost always been frequented by transhumance herds, flocks that gathered here from São João to the Sr. do Calvário festivities in August.
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Thanks for sharing.🙏
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The second half (from Covão dos Conchos) is impassable and in some places only possible with orientation using stone markers (stacks). Nevertheless, it's a beautiful hike with views.
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At over 1,400 meters above sea level, the Rossim Valley Reservoir is a haven of granite, pine trees, and crystal-clear waters in the heart of the Serra da Estrela Mountains. It's the perfect setting for strolls, summer swims, and admiring nature in all its splendor, one of Portugal's highest jewels.
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Hiking in the Serra da Estrela is always pleasant, with stunning scenery and spectacular trails. 👍
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This restaurant and bar is located right on the lake (there's nothing else in the area), and it's nice to sip a nice beer 🍺 and grab a bite to eat after a sunny day or a nice hike. Also... For those who want to stay longer, there's the Vale do Rossim Eco Resort: camping, equipped yurts, or wooden cabins, with the option of half-board at a reasonable price at this lakeside restaurant. Breakfast is good, dinner is very simple, but all drinks are included, including a bottle of wine 🍷 🤪.
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Frequently Asked Questions
What unique natural features can I find among the lakes in Guarda?
The Guarda region boasts several unique natural features. You can find the distinctive bell-shaped spillway at Covão dos Conchos Trail, which appears as a 'hole' in the lake. Long Lake (Lagoa Comprida) showcases significant glacial marks and formations along its banks, being a natural lake of glacial origin. Additionally, Covão do Ferro Lake utilizes a glacial cirque.
Are there any lakes with river beaches or swimming spots in Guarda?
Yes, there are. The Barragem do Caldeirão features a river beach, making it a suitable spot for relaxation and cooling off. You can also find natural swimming pools at Poço da Broca de Serapitel and near the waterfall in Parque Natural da Serra da Estrela (Waterfall and natural swimming pool in Parque Natural da Serra da Estrela).
What kind of landscapes can I expect around Guarda's lakes?
The landscapes around Guarda's lakes are predominantly mountainous, nestled within the Serra da Estrela region. You can expect dramatic, rocky terrain with glacial formations, pine trees, and high-altitude environments. Many lakes are reservoirs created by dams, offering picturesque scenery amidst natural settings.
What outdoor activities are available near the lakes in Guarda?
The lakes in Guarda are excellent starting points for various outdoor activities. You can explore numerous hiking trails, go mountain biking, or enjoy road cycling. For detailed routes, check out the Waterfall hikes in Guarda, MTB Trails in Guarda, and Cycling in Guarda guides.
Are there hiking trails around the lakes in Guarda?
Absolutely. The region offers many hiking opportunities. For instance, the area around Covão dos Conchos Trail is popular for hiking, and there's a path along the northern side of Long Lake ideal for walks. You can find more trails, including the 'Mondego Walkways Trail' and 'Wild Boar Trail', in the Waterfall hikes in Guarda guide.
Which lakes in Guarda are suitable for families?
Several lakes in Guarda are family-friendly. Vale do Rossim Reservoir is a great option, offering strolls and summer swims. The Covão dos Conchos Trail is also considered family-friendly, though good shoes are recommended due to scree. The Barragem do Caldeirão, with its river beach, is another good choice for families.
What should I know about the terrain when hiking around Guarda's lakes?
When hiking around Guarda's lakes, especially in areas like Covão dos Conchos Trail, be prepared for paths covered with loose stones and scree. Good walking shoes with ankle support are highly recommended. The terrain can be uneven, and some areas might be challenging, particularly after rain, so flexibility and caution are advised.
What is the best time of year to visit the lakes in Guarda?
The best time to visit depends on your preferred activities. For swimming and enjoying river beaches, the warmer months are ideal. If you prefer cooler temperatures for hiking and enjoying the fresh mountain air, spring and autumn offer pleasant conditions. During summer, the high altitude helps temper the heat, making it comfortable for outdoor exploration.
Are there any facilities like restaurants or cafes near the lakes?
Yes, for example, near Vale do Rossim Reservoir, you can find the Vale do Rossim River Beach Restaurant. While many areas are natural and remote, some popular spots offer amenities for visitors.
What is the significance of the dams and reservoirs in the Guarda region?
Many lakes in the Guarda region, such as Long Lake (Lagoa Comprida), Barragem do Sabugal, and Barragem do Caldeirão, are significant reservoirs. They play a crucial role in water management, hydroelectric power generation, and irrigation for the region. These engineering feats are often integrated into the natural landscape, creating unique and functional attractions.
Can I go cycling or mountain biking near Guarda's lakes?
Yes, the mountainous terrain around Guarda's lakes is well-suited for cycling and mountain biking. You can find various routes, from moderate to difficult, that traverse the scenic landscapes. Explore options like the 'Serra da Estrela: Manteigas and Torre Loop' for MTB or the 'Circular Route 13 de Manteigas' for cycling in the MTB Trails in Guarda and Cycling in Guarda guides.
What do visitors enjoy most about the lakes in Guarda?
Visitors frequently praise the breathtaking views, the serene high-altitude experience, and the fresh mountain air. The unique natural features like the glacial formations at Long Lake and the distinctive spillway at Covão dos Conchos Trail are particularly popular for photography and exploration. Many also appreciate the opportunities for walks and the chance to relax by the water.
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