Covao dos Conchos: A Portal to Nature’s Wonders in Portugal’s Serra da Estrela

High up in the Serra da Estrela mountain range in Portugal, there lies a lake with an unusual man-made marvel. From a distance, an inverted bell-shaped drain known as Covao dos Conchos, constructed in 1955 as part of a hydroelectric dam, appears to be a perfectly symmetrical whirlpool, the mouth of a hungry sandworm, or even a portal to another point in time and space.

Located in Lagoa da Serra da Estrela, Covao dos Conchos was relatively obscure until photos of the foliage-lined drain began circulating on the internet in 2016. Now, it draws countless visitors into the Serra da Estrela mountains to witness a functional spillway that offers an otherworldly sight in an otherwise serene mountain lake.

The journey to Covao dos Conchos is an adventure in itself, traversing the gorgeous wilderness of the Serra da Estrela Natural Park. The park is a treasure trove of sweeping views of the Dao Valley, stately boulders, and striking ravines, providing a captivating backdrop to the spillway.

Photo by depositphotos.com

For those eager to experience Covao dos Conchos firsthand, a hike of approximately 6 miles (about 10 kilometers) across steep and rugged terrain awaits. It’s essential to wear sturdy shoes and pack plenty of water and snacks, as the spillway is situated in a remote area far from cafes, stores, or rest areas.

After a rugged morning or afternoon enchanted by the cascading water of Covao dos Conchos, visitors can extend their adventure to the nearby Dao Valley. Renowned for being one of Portugal’s most celebrated wine regions, the Dao Valley hosts numerous vineyards and restaurants that offer exquisite wine, cheese, and bread. Additionally, the medieval town of Viseu in the Dao Valley, with its towering 13th-century cathedral and the historical Bucaco Forest – where Napoleon’s army met its defeat in 1810 – adds a rich historical layer to the visit.

View of cityscape of Viseu, Portugal
Photo by depositphotos.com

For those who appreciate the harmonious blend of nature’s splendor and human creativity, Covao dos Conchos is an unmissable destination. In the wake of a demanding hike, it is easy to spend hours admiring the spillway, with many locals likening it to an all-seeing eye. Covao dos Conchos truly represents a perfect synthesis of stunning natural beauty and awe-inspiring human ingenuity.

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