Best natural monuments around Manteigas (São Pedro) are found within the Serra da Estrela Natural Park, a region characterized by its dramatic geological formations and diverse landscapes. Manteigas is situated within the Zêzere Glacial Valley, one of Europe's most significant glacial valleys, known for its "U" shape. The area features high-altitude lakes, impressive waterfalls, and unique rock formations. These natural features offer opportunities for exploration and appreciation of the region's natural heritage.
Last updated: July 13, 2026
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The way is arduous, but the destination is worth it.
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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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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 Lapa dos Dinheiros river beach is in perfect harmony with nature. Located in the parish of Lapa dos Dinheiros, on the Caniça River, a right-bank tributary of the Alva River, this bathing area is nestled in a mountainous landscape dominated by the Lapa Souto (south of Lapa) and imposing granite outcrops. With clear water, very appealing for swimming, the beach boasts the award for accessible beach and has lifeguards and a bar available to visitors. The rugged terrain of the valley causes the river to form a succession of small waterfalls nearby. The Lapa Souto, in addition to its valuable collection of centuries-old chestnut trees, is also home to a high level of biodiversity. From the bridge, a pedestrian path leads to the Moura Hole and a viewpoint over the Caniça Waterfalls. The Buraco da Moura is a natural cave system created by the sliding and accumulation of large granite blocks, which formed a complex system of rooms and galleries. How to get there? Once in Seia, follow the EN231 to S. Romão. From there, continue uphill for about 5 km, toward Loriga/Lapa, until you find the sign for Lapa dos Dinheiros on the left. Once inside the town, simply follow the beach signs. Coordinates: 40º 23′ 07.0″ N / 7º 41′ 50.1″ W
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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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This reservoir, part of the Serra da Estrela hydroelectric system, is a popular tourist destination. Part of this attraction comes from 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. The conical spillway was little known until photos of the hole went viral in 2016. 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 is a stunning place to visit, not only for the combination of human intervention on nature, but also for the surrounding landscape. The trail from Lagoa Comprida leads here is truly beautiful in any season. Bring windbreaker and water.
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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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The region is renowned for its dramatic geological formations, particularly the Zêzere Glacial Valley, one of Europe's most perfectly formed 'U' shaped valleys. You can also observe numerous glacial scars around Long Lake, which is itself a large water reservoir of glacial origin.
Yes, Poço do Inferno (Hell's Well) is a notable waterfall located at an altitude of 1,080 meters, featuring a 10-meter cascade. It's particularly spectacular during autumn or winter when water levels are higher, creating a mysterious atmosphere with constant mist and sound.
The best time to visit depends on what you want to see. For impressive waterfalls like Poço do Inferno, autumn or winter offer higher water levels. Autumn is also particularly enchanting at Covão da Ametade, with its vibrant birch trees. However, some high-altitude areas like Torre (Serra da Estrela Summit) can become inaccessible in winter due to snow.
Yes, several natural monuments are considered family-friendly. The Covão dos Conchos Trail is suitable for families, though good shoes are recommended due to loose stones. Torre (Serra da Estrela Summit) is also family-friendly, offering easy access to the highest point in mainland Portugal.
Absolutely! Lapa dos Dinheiros River Beach is a beautiful spot nestled on the banks of the Caniça river. It offers crystal-clear water perfect for a refreshing dip, along with lifeguards and a bar, making it an ideal place for relaxation.
The region offers a variety of outdoor activities. You can enjoy hiking on trails like those leading to Covão dos Conchos, or explore the expansive Zêzere Glacial Valley. There are also numerous road cycling and running trails available. For more detailed routes, you can check out the easy hikes, road cycling routes, and running trails guides around Manteigas (São Pedro).
Yes, Casa do Juiz (Nave da Mestra) is a fascinating site. This house, built in 1910 and nestled between granite rocks at 1,700 meters altitude, is considered both a historical site and a natural monument. It's known for its unique architecture and local legends.
Covão dos Conchos Trail leads to a bell-mouth spillway that creates the illusion of a giant hole in the lake. While artificial, this engineering marvel blends seamlessly with the natural landscape, transferring water from the Ribeira das Naves River to Long Lake, making it a captivating and highly photographed attraction.
Trail conditions can vary. For instance, the path to Covão dos Conchos can have many loose stones and scree, so good walking shoes and flexible ankles are advisable. Some areas, especially after rain, might be challenging to keep your feet dry. Always be prepared with appropriate footwear and enough food and drink.
Covão da Ametade is a picturesque area within the Zêzere Glacial Valley, known for its serene beauty. The Zêzere river flows through a landscape framed by birch trees, creating a particularly enchanting scene in autumn when the fallen leaves carpet the ground in orange. It's an ideal spot for nature lovers seeking tranquility and stunning photographic opportunities.
Yes, Lapa dos Dinheiros River Beach has been awarded the title of an accessible beach, making it suitable for visitors with mobility challenges. It offers facilities and lifeguards to ensure an enjoyable experience for everyone.
Visitors frequently praise the magnificent landscapes, especially the views from high-altitude points like Torre. The unique visual of Covão dos Conchos is also a highlight, and many appreciate the tranquility and natural beauty of spots like Covão da Ametade and the refreshing waters of Lapa dos Dinheiros River Beach.


Extend your search for the best caves by checking out these guides of the top ones around Manteigas (São Pedro):