Covão dos Conchos
Covão dos Conchos is an artificial lake in the Serra da Estrela mountains in Portugal that is famous for its bell-mouth spillway.
The spillway was built in 1955 with the aim of diverting water from Ribeira das Naves to Lagoa Comprida. It is a part of a hydro-electric dam system of Serra da Estrela. The conical spillway was little-known until photos of the hole went viral in 2016. Over the last 60 years moss and foliage has grown onto the mouth of the funnel, creating an eye-catching sight. It has a height of 4.6 meters and has a circumference of 48 meters. The tunnel that collects the water is 1,519 meters long.
Photographies by:
larahcv - CC0
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