The Raschpëtzer Qanat is a rare and impressive underground water conduit, dating to the Roman period. The word Qanat is of Middle Eastern origin, where many such examples still flow. It was built around 150 AD near the village of Walferdange for what at the time was a large Roman Villa. It is regarded by many as the best preserved example north of the Alps.
It ws constructed using a number of shafts, the tunnel being excavated from the bottom of each of them. About 13 of the (estimated) 25 construction shafts have been identified and some of the shaft tops can be seen in the forest above. Glass windows have been installed in a couple of the shafts so the water below can be viewed.
Around 330 metres of the total length of 600 metres have been explored. A small visitor centre has interpretive boards and access to the bottom of a shaft is possible.
The network is still collecting water today.