Highlight • Lake
Hiking
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Mountaineering
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Albufeira do Covão do Meio is a captivating reservoir nestled at an elevation of 1706 metres within the majestic Serra da Estrela Natural Park in Portugal. Located in the Covão do Meio area, near Loriga in the municipality of Seia, this man-made lake is a striking feature of the Guarda district. Formed by the Covão do Meio Dam, its deep blue waters are fed by the Ribeira da Nave, creating a dramatic contrast with the surrounding rugged, rocky landscape and ancient glacial cirques, known locally as "covões."
Visitors are consistently drawn to the serene beauty and unique atmosphere of Albufeira do Covão do Meio. Many describe the waters as creating an illusion of floating on the horizon, a tranquil mirror suspended between the vast sky and the towering mountains. This picturesque setting, combined with the impressive engineering of the dam, which channels water through a two-kilometre tunnel to Lagoa Comprida, offers a truly memorable experience for those seeking natural beauty and historical insight.
Before embarking on a visit, it's helpful to know that the terrain around Albufeira do Covão do Meio can be rugged, typical of the high-altitude environment of the Serra da Estrela. Access is often by foot, with popular routes like the PR5 SEI Rota da Garganta de Loriga trail providing a scenic approach from Salgadeiras. Hikers should prepare for varying conditions, especially given the elevation, and ensure they have appropriate footwear and clothing for exploring this mountainous region.
The best time of year to visit Albufeira do Covão do Meio for outdoor activities is typically during the warmer months, when the tranquil waters invite activities such as sailing, fishing, and even swimming. The surrounding area is a haven for nature lovers, offering numerous opportunities for hiking and exploring the unique geological formations of the glacial valley of Loriga. The dramatic views make it a rewarding destination for photography and experiencing Portugal's natural grandeur.
One of the most talked-about aspects of the reservoir is the surprising engineering marvel of the tunnel that drains excess water to Lagoa Comprida. This invisible feat of construction, combined with the striking visual of the deep blue lake against the mountainous backdrop, creates a profound sense of wonder. The peacefulness of the area, where the waters seem to merge with the horizon, offers a perfect escape into nature.
Whether you're interested in exploring the Albufeira do Covão do Meio trails routes, discovering the unique natural features, or simply enjoying the peaceful atmosphere, there are many ways to experience this special place. Hikers, cyclists, and nature enthusiasts can find a variety of routes to suit different abilities. You can explore available routes and plan your visit to this stunning Serra da Estrela landmark using komoot, ensuring you make the most of your adventure.
This Highlight is in a protected area
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April 19, 2025
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Nearby routes
Best routes near Albufeira do Covão do Meio

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Elevation 1,710 m
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Sunday 5 July
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Max wind speed: 6.0 km/h
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Access to Albufeira do Covão do Meio is primarily by foot, as it is situated within the Serra da Estrela Natural Park. While there isn't direct vehicle access to the dam itself, visitors typically park at designated areas further down, such as near Salgadeiras, and then hike in. The PR5 SEI Rota da Garganta de Loriga trail is a common route to reach the reservoir. It's advisable to check local signage for the most current parking regulations and access points, especially during peak seasons.
While the terrain around Albufeira do Covão do Meio can be rugged and high-altitude, there are options for varying abilities. The approach from Salgadeiras via the PR5 SEI Rota da Garganta de Loriga trail offers a scenic hike. For families with younger children or those seeking easier walks, it's recommended to research specific trail sections or consider shorter, less strenuous paths in the broader Loriga valley area, which might offer gentler gradients and more accessible terrain.
Generally, the Serra da Estrela Natural Park, where Albufeira do Covão do Meio is located, is welcoming to dogs, provided they are kept on a leash to protect local wildlife and ensure the safety of other visitors. Always clean up after your pet. It's a great place for dogs to enjoy the outdoors, but be mindful of the rugged terrain and potential for varying weather conditions, ensuring your dog is fit for the hike.
While the warmer months are popular for outdoor activities, they also tend to attract more visitors. To avoid the largest crowds, consider visiting during the shoulder seasons, such as late spring (May-early June) or early autumn (late September-October). During these times, the weather is often still pleasant for hiking, and the natural beauty is exceptional, but with fewer people than in the peak summer months.
Given its high elevation (1706 meters) within the Serra da Estrela, weather conditions can be highly variable and change rapidly. Even in summer, temperatures can be cooler than in lower altitudes, and sudden fog or rain is possible. In winter, snow and ice are common, making trails challenging or impassable. Always check a current weather forecast specifically for the Serra da Estrela mountain range before your visit and be prepared for all four seasons in a single day.
Due to the rugged terrain and variable mountain weather, essential packing includes sturdy hiking boots with good ankle support, layered clothing (including waterproof and windproof outer layers), plenty of water, snacks, a map or GPS device, sun protection (hat, sunglasses, sunscreen), and a first-aid kit. Trekking poles can also be beneficial for stability on uneven paths. In colder months, add warm gloves, a hat, and extra layers.
Albufeira do Covão do Meio itself is a remote natural area with no direct amenities. For cafes, restaurants, and accommodation, you'll need to head to nearby villages and towns. Loriga is the closest village, offering some local eateries and guesthouses. Larger towns like Seia or Covilhã, further afield, provide a wider range of services, including hotels, restaurants, and shops. Plan to bring all necessary supplies for your time at the reservoir.
Yes, swimming is generally permitted in the tranquil waters of Albufeira do Covão do Meio, especially during the warmer months. The deep blue waters are inviting, offering a refreshing dip amidst the stunning mountain scenery. However, be aware that the water can be very cold due to the high altitude, and there are no lifeguards or designated swimming areas. Always exercise caution and assess conditions before entering the water.
Beyond the striking deep blue waters of the reservoir itself, look for the dramatic contrast with the surrounding rugged, rocky landscape. The area is known for its ancient glacial cirques, locally called "covões," which are depressions formed by glaciers. The dam itself is an impressive feat of engineering, and the views from its crest offer panoramic vistas of the lake and the Serra da Estrela mountains. The overall sense of a serene mirror suspended between sky and mountains is a highlight.
The Covão do Meio Dam, built in the early 1950s, was primarily constructed for the storage of water to be used in the indirect production of electrical energy. Water from this reservoir is channeled through a 2354-meter tunnel to the Lagoa Comprida reservoir, playing a crucial role in the region's hydroelectric system.
While the most direct access is often an out-and-back route, hikers can create circular options by combining different trails within the broader Serra da Estrela Natural Park. For instance, you might link the PR5 SEI Rota da Garganta de Loriga with other paths that traverse the glacial valley. It's recommended to consult detailed hiking maps or a hiking app to plan a safe and suitable circular route that matches your experience level and desired distance.