Tree tunnel of Haut-Maret, Protected heritage tree tunnel in Theux, Belgium.
The tree tunnel of Haut-Maret is a natural corridor formed by two parallel rows of hornbeam trees stretching over a kilometer long, creating a shaded passageway near La Reid. The densely interwoven branches overhead form a green roof that shelters walkers from sun and rain as they move through.
This pathway was created in 1885 as a grand entrance route for estate visitors, but it suffered serious damage during the Second World War. In May 1940, German military tanks were driven through the structure, causing significant harm to the trees and branches.
The tunnel is maintained by students from the agricultural school in La Reid, who work on this green corridor as part of their practical training. This ongoing care has turned the place into a living learning environment where nature and education meet.
Access is via Chemin de Quarreux in La Reid, where a clearly marked starting point helps visitors find their way. The path is walkable throughout the year and easy to explore on foot, though wet conditions or muddy ground may make walking less pleasant after rain.
A local distillery produces a specialty liqueur called Merveille de la Charmille made from buds harvested directly from the tunnel's hornbeam trees. This craft product connects the historic structure with the surrounding landscape in an unexpected way.
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