Wessem-Nederweert Canal with Sluis Panheel (locks) in the foreground, the lock has almost the largest drop of all locks in the Netherlands at 8 metres. The right lock, the old lock, is a savings lock that is unique in the Netherlands: by means of saving basins on both sides, up to 60% can be saved on the lock water..© 25 mei 2017 Marco van Middelkoop/Aerophoto-Schiphol