Natural monuments in Guarda are primarily concentrated within the vast Serra da Estrela Natural Park and the UNESCO Estrela Geopark. This region features diverse landscapes, unique geological formations, and rich biodiversity. It includes the highest peak in mainland Portugal, reaching 1,993 meters, and landscapes sculpted by ancient glaciers. The area offers a blend of natural beauty and traditional human presence.
Last updated: June 26, 2026
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The Devil's Horns are a prominent granite rock formation with two horn-like points, located in the Serra da Estrela mountain range, near Lapa dos Dinheiros and Senhora do Desterro (not in Gerês, but in Seia, Portugal). They are the highlight of a famous circular hiking trail that follows a water channel and the Caniça stream, offering stunning landscapes, lagoons, and waterfalls. 👍🥾
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Cântaro Magro is one of the "commonplaces" of the Serra da Estrela mountain range, whose summit rises to 1928 m altitude, deserving a visit at any time of year. Viewed from west to east, its silhouette resembles a pitcher. In summer, its rocky face is interrupted by small terraces of soil, where some of the rarest botanical jewels of the mountain range grow. In winter, it is covered in snow and ice which, as they melt, form ephemeral waterfalls. These recall the overflowing liquid from the pitchers carried on the heads of women when, in the past, they went to the fountains. #CISE #VisitSeia #ParqueNaturaldaSerradaEstrela
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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 hike through the valley (depending on your starting point, the ascent or descent will be more pronounced). Start as early as possible, while the sun is still behind the mountain range. Online tickets only (no payment on site). Take a screenshot of your ticket (QR code). This will be scanned when exiting or re-entering (if you want to go back). Bring plenty of water. The sun will come out around 10:00 a.m. (I hiked it in October). Parking is available right next to the upper starting point. The lower trailhead is about 500 meters away (coming from Chãos, turn left before the dam).
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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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The Guarda district, particularly within the Serra da Estrela Natural Park and UNESCO Estrela Geopark, offers diverse natural features. You can explore landscapes sculpted by ancient glaciers, including the Zêzere Valley and numerous mountain lagoons. Highlights include the highest peak in mainland Portugal at 1,993 meters, and impressive granite formations like Cântaro Magro, a slender granite spire.
Yes, several natural monuments in Guarda are suitable for families. The Mondego Boardwalks offer an accessible 12-kilometer trail with wooden walkways and suspension bridges, making it easy to explore river valleys. Another option is Lapa dos Dinheiros River Beach, which is wheelchair accessible and has lifeguards and a bar, perfect for a refreshing dip.
The region around Guarda's natural monuments is ideal for various outdoor activities. You can enjoy extensive hiking, cycling, and mountain climbing. For hiking, there are options from easy to challenging, including trails within the Serra da Estrela. You can find more details on routes in the Easy hikes in Guarda guide. During warmer months, activities like swimming and fishing are popular at places like Long Lake.
The natural monuments in Guarda can be visited year-round, each season offering a different experience. Summer is great for swimming and enjoying the lakes, while spring and autumn provide pleasant temperatures for hiking and cycling amidst vibrant foliage. Winter transforms the Serra da Estrela into a snowy landscape, suitable for winter sports, though some trails might be more challenging due to conditions.
Yes, the region blends natural beauty with historical elements. The Mondego Boardwalks, for instance, incorporate old mills and former wool factories, showcasing the region's industrial heritage. Additionally, the Casa do Juiz (Nave da Mestra), nestled in the Serra da Estrela, is a historical house built in 1910 with intriguing local legends.
The Serra da Estrela Natural Park is the prime location to experience glacial landscapes in Guarda. Features like the Zêzere Valley and Long Lake (Lagoa Comprida) are direct results of ancient glacial activity, with visible glacial scars along their banks. The entire park is recognized as a UNESCO Global Geopark due to its significant geological transformations.
For experienced hikers seeking a challenge, the ascent to Cântaro Magro, an imposing granite spire, offers demanding trails and breathtaking views. The area around Hidden cascade at Poço do Inferno also features challenging terrain, often involving gorges and steep paths. These areas provide a rigorous experience amidst stunning natural beauty.
Absolutely. One of the most unique geological formations is Covão dos Conchos Trail, famous for its bell-mouth spillway that creates the illusion of a giant sinkhole. Another iconic formation is Cântaro Magro, a spectacular granite spire sculpted by millions of years of glacial erosion and weathering.
Visitors frequently praise the stunning natural beauty and the sense of tranquility. Many enjoy the panoramic views from spots like Alto Mondego Viewpoint and the unique experience of places like Covão dos Conchos. The opportunity for immersion in pristine nature, combined with the region's rich biodiversity and traditional presence, is a major draw.
Yes, the Guarda region offers excellent cycling opportunities, particularly within the Serra da Estrela Natural Park. There are various routes, including challenging ones like the 'Circular Route 13 de Manteigas' and 'Reboleira Meadow – Zêzere Glacial Valley loop'. You can explore more cycling routes in the Cycling in Guarda guide.
For hiking in Guarda's natural monuments, especially in the Serra da Estrela, it's advisable to wear good walking shoes due to paths with loose stones and uneven terrain. Bring enough water and food, as facilities can be sparse on trails. Sun protection is essential in sunny weather, as many paths offer little shade. Depending on the season, layers of clothing are recommended due to altitude-related temperature changes.
Yes, the Guarda district features beautiful waterfalls. The Mondego Boardwalks trail includes the impressive Caldeirão Waterfall, known for its unique pink-hued water due to the rocks. Another notable waterfall is the Hidden cascade at Poço do Inferno, offering a dramatic natural spectacle.
The best way to explore the Mondego River area and its natural beauty is via the Mondego Boardwalks. This 12-kilometer route features 6.7 kilometers of wooden walkways and three suspension bridges, providing accessible paths along the river and its tributaries. It allows you to discover remote river valleys, waterfalls, and historical elements like old mills.


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