Best lakes around Torrozelo are found within the broader Serra da Estrela region, as Torrozelo itself is a small parish in the municipality of Seia, Portugal. The surrounding area features significant natural and hydrological formations. This includes large glacial lakes, unique artificial lagoons, and river beaches. These water bodies offer diverse natural landscapes and recreational opportunities.
Last updated: July 3, 2026
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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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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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A beautiful nature trail, about 9 km round trip to Covão dos Conchos. Unfortunately, on August 15th, the water couldn't reach the hole and thus reveal the waterfalls. It's a reservoir, part of the Serra da Estrela hydroelectric system. A funnel-shaped drainage structure that allows water to flow from this body of water to Lagoa Comprida. The spillway was built in 1955 to divert water from Ribeira das Naves to Lagoa Comprida. Over the past 60 years, moss and foliage have grown over the mouth of the funnel, creating a captivating spectacle. It is 4.6 meters high and 4.8 meters in circumference. The tunnel that collects the water is 1,519 meters long. It's a stunning place to visit, not only for the combination of human intervention and nature, but also for the surrounding landscape.
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Located at an altitude of approximately 1,600 meters, Lagoa Comprida is the largest water reservoir in the Serra da Estrela, intended for hydroelectric generation. This natural lake lies in a wide depression of glacial origin, approximately one kilometer long, which fed the Covão Grande glacier. Numerous glacial scars are visible along its banks, making this lake one of the most interesting geomorphological sites in the Serra da Estrela. Construction on this lake began in 1911, and by 1914, it was already six meters high. Later, in 1965, it underwent heightening work that increased its height to 28 meters, currently boasting a storage capacity of approximately 14 cubic hectometers, flooding an area of approximately 80 hectares. Small streams of water flow into this lagoon, as well as water retained in the Covões dos Conchos and Covões do Meio and carried to this lagoon through underground tunnels.
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We walked this walk in October, on a beautiful day, after a few days of heavy rain. Due to the previous wet days, parts of the path were quite a challenge. Certainly to keep your feet dry. The advantage was that the water flowed nicely into the 'drain'. Beautiful sight and impressive. Due to the path of pebbles, boulders, unevenness, etc., it is advisable to wear good walking shoes. Take enough food and drink with you, as is always the advice. In sunny weather, protection from the sun is absolutely necessary. There is no protection from the sun during the walk. Walk calmly, enjoy the surroundings and let everything sink in.
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A beautiful walk, also suitable for a family with children. The gap to the power station is very special.
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Very interesting place. The hole in the lake, to get there you can take a 4K hike through this rugged environment.
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While Torrozelo itself is a small parish, the notable lakes and water attractions are found within the broader Serra da Estrela region in Portugal. These include large glacial lakes, unique hydrological formations, and river beaches.
Visitors frequently enjoy Long Lake (Lagoa Comprida), the largest water reservoir of glacial origin in Serra da Estrela. Another must-see is the Covão dos Conchos Trail, leading to an artificial lagoon with a unique bell-mouth spillway. Additionally, the Waterfall and natural swimming pool in Parque Natural da Serra da Estrela offers a refreshing natural bathing spot.
Yes, the Covão dos Conchos Trail is considered family-friendly, offering an accessible path to a unique natural monument. River beaches like Lapa dos Dinheiros, though not directly in Torrozelo, provide clear, inviting waters for swimming and amenities, making them suitable for families.
You can expect to see diverse natural features, including glacial landscapes with visible scars along the banks of Long Lake. The region also features unique hydrological formations like the bell-mouth spillway at Covão dos Conchos, and refreshing waterfalls with natural swimming pools such as the Waterfall and natural swimming pool in Parque Natural da Serra da Estrela.
The Serra da Estrela region offers a variety of outdoor activities. You can find numerous hiking trails, including challenging routes like the Trail to the Upper Lakes. For cycling enthusiasts, there are extensive MTB and touring bicycle routes. You can explore options like the 'Long Lake – Serra da Estrela loop from Seia' for MTB or the 'Serra da Estrela – Casa das Obras Fountain loop from Seia' for touring. Find more details on these activities in the MTB Trails around Torrozelo, Cycling around Torrozelo, and Running Trails around Torrozelo guides.
Yes, the area is rich with hiking opportunities. The Covão dos Conchos Trail is a popular, relatively easy walk, though some sections have loose stones. For more challenging hikes, consider the Trail to the Upper Lakes, which offers stunning views but can be overgrown in parts. Always wear appropriate footwear and carry enough supplies. You can find more hiking routes in the Running Trails around Torrozelo guide, which also includes longer walking routes.
The best time to visit is generally during the warmer months, from late spring to early autumn (May to October). During this period, the weather is more favorable for hiking, swimming, and enjoying the natural landscapes. While winter offers a unique snowy experience, some trails may be more challenging or inaccessible due to snow and ice.
Yes, the region offers several spots for refreshing dips. The Waterfall and natural swimming pool in Parque Natural da Serra da Estrela is a beautiful location for swimming. Additionally, river beaches like Lapa dos Dinheiros, with their crystal-clear mountain waters, provide excellent and often equipped spots for swimming.
Visitors frequently highlight the stunning high-altitude landscapes, the clear waters, and the visible geological history of glacial activity. The unique blend of human engineering and natural beauty at Covão dos Conchos is also a major draw. Many appreciate the opportunity for a refreshing swim in natural pools and the peaceful, mountainous surroundings.
Yes, parking is generally available near popular attractions like Long Lake and the starting points for trails leading to Covão dos Conchos. However, during peak season, parking areas can fill up quickly, so it's advisable to arrive early.
Many trails in the Serra da Estrela Natural Park are generally dog-friendly, allowing you to explore with your canine companion. However, it's always recommended to keep dogs on a leash, especially in protected areas, and to be mindful of other hikers and wildlife. Ensure your dog is capable of handling the terrain, as some paths can be rocky or uneven.
When hiking around the lakes, especially in the Serra da Estrela, it's advisable to wear sturdy hiking shoes with good ankle support due to uneven terrain and loose stones. Layers of clothing are recommended as weather conditions can change rapidly at altitude. Sun protection (hat, sunscreen) is essential, as many trails offer little shade. For swimming spots, bring appropriate swimwear and a towel.


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