Best attractions and places to see around Unhais Da Serra include a variety of natural landscapes and cultural sites. The village is situated at the base of the Serra da Estrela mountain range, within Portugal's largest protected natural park. This region features glaciated valleys, high-altitude lakes, and thermal waters. Visitors can explore significant geological formations and historical structures.
Last updated: May 4, 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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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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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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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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The Serra da Estrela Natural Park is something truly special. This 1,000-square-kilometer park, spread across six municipalities, was the first and currently the largest protected natural park in Portugal. It is home to the highest point on the Portuguese mainland, the country's only ski slope, the source of two important rivers, and a fascinating, alpine-like landscape formed by glaciers.
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At exactly 1993 meters above sea level, Torre is the highest point in mainland Portugal, where the only ski resort is located. The landscape on the upper plateau of the Serra da Estrela is like a sprinkling of granite rocks over low scrub and patches of snow and ice, which the sun threatens to melt soon in the summer and which always returns the following winter. In winter, it sometimes becomes inaccessible.
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At an altitude of 1,700 metres, in the heart of the Serra da Estrela, stands the impressive Nave da Mestra, a granite colossus that holds a centuries-old secret: the Barca Herminius. Built in 1910 by craftsmen from Manteigas, who climbed the mountain with mules and hydraulic jacks, this house nestled between rocks looks like something out of a fairy tale. It is said that it was designed as a summer retreat by the Matos Preto family, but the legend goes further: clandestine meetings against the regime, led by judge José Pereira de Matos, are said to have taken place there. That is why, to this day, it is called the Judge's House. Running along these trails is a real spectacle!
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The region is rich in natural beauty. You can visit Long Lake, the largest water reservoir in Serra da Estrela, known for its glacial scars. Another must-see is the Covão dos Conchos Trail, leading to an artificial lagoon with a unique bell-mouth spillway. The Vale do Rossim Reservoir also offers picturesque views and clear waters. Don't miss the opportunity to see the highest point in mainland Portugal, Torre (Serra da Estrela Summit), which provides panoramic vistas.
Yes, Unhais Da Serra offers several cultural and historical points of interest. The Casa do Juiz (Nave da Mestra) is a fascinating granite structure built in 1910 at 1,700 meters altitude, known for its unique construction and historical significance. The village is also renowned for its thermal heritage, with the Termas de Unhais da Serra offering therapeutic sulfurous waters. You can also explore the Sacred Art Museum, the Igreja de Santo Aleixo, and various chapels like Capela da Senhora da Saúde.
The area around Unhais Da Serra is perfect for outdoor enthusiasts. You can find numerous hiking and road cycling routes. For hiking, consider trails like the 'Central Massif Route' or the 'Circular do Planalto Superior'. There are also easier options such as the 'Covão do Curral Dam – Covão do Ferro Lake loop'. Cyclists can tackle challenging routes like the 'Cântaro Magro – Serra da Estrela loop'. For more details on routes, visit the Hiking around Unhais Da Serra or Road Cycling Routes around Unhais Da Serra guides.
Absolutely! Many attractions around Unhais Da Serra are suitable for families. The Covão dos Conchos Trail and Torre (Serra da Estrela Summit) are listed as family-friendly. The Vale do Rossim Reservoir is also a great spot for family walks and summer swims. Additionally, the Praia Fluvial de Unhais da Serra, a river beach, offers a refreshing natural swimming spot during warmer months.
The best time to visit Unhais Da Serra largely depends on your preferred activities. For hiking and exploring natural landscapes, spring (April-June) and autumn (September-October) offer pleasant temperatures and vibrant scenery. Summer (July-August) is ideal for enjoying river beaches and high-altitude reservoirs like Vale do Rossim Reservoir. Winter (December-March) transforms the Serra da Estrela into a snowy landscape, offering Portugal's only ski slope at Torre.
For those looking for easier walks, there are several options available. You can find trails like the 'Covão do Curral Dam – Covão do Ferro Lake loop' or a 'Hiking loop from Unhais da Serra', both rated as easy. Another accessible option is the 'Unhais da Serra Thermal Spa loop'. These routes are perfect for a relaxed exploration of the region's beauty. More details can be found in the Easy hikes around Unhais Da Serra guide.
Unhais Da Serra is situated within the Serra da Estrela Natural Park, an area significantly shaped by glaciers. The Unhais da Serra Glacial Valley is particularly notable as the second largest and oldest in Europe, extending 5.5 km. It's an excellent place to observe proglacial accumulation terraces, characterized by disordered accumulations of large granite rocks and blocks, showcasing the powerful geological history of the region.
Yes, you can enjoy wild swimming in certain areas. The Praia Fluvial de Unhais da Serra, a river beach along the Ribeira de Unhais, offers a refreshing spot for swimming amidst natural vegetation during warmer months. Additionally, the clear waters of the Vale do Rossim Reservoir are also popular for summer swims.
Given the varied terrain and altitude, it's advisable to wear good walking shoes, especially on trails with loose stones or scree, such as parts of the Covão dos Conchos Trail. Layers are recommended as weather conditions can change quickly, especially at higher altitudes. In sunny weather, sun protection (hat, sunscreen) is essential as many trails offer little shade. Always carry enough food and water.
Unhais Da Serra is a renowned thermal village, celebrated for its sulfurous waters that flow at a constant 37ºC. These waters are therapeutically recommended for various ailments, including circulatory and respiratory issues, rheumatism, and skin conditions. The Termas de Unhais da Serra has a long history of providing wellness and relaxation, contributing to the village's reputation as the 'Pearl of Beira'.
Yes, the region boasts several stunning viewpoints. The Torre (Serra da Estrela Summit) offers expansive views as the highest point in mainland Portugal. The Long Lake and Covão dos Conchos Trail also provide notable vistas. Additionally, the Miradouro do Cruzeiro offers panoramic views specifically over Unhais da Serra village.
Visitors frequently praise the magnificent landscapes, especially the blue skies and the refreshing altitude. Many appreciate the unique geological formations, such as the glacial scars around Long Lake and the impressive bell-mouth spillway at Covão dos Conchos. The historical significance of sites like Casa do Juiz also captivates many, along with the overall tranquility and natural beauty of the Serra da Estrela.


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