The largest waterfall in Belgium: 15 metres . The monks of the Abbey of Stavelot are at the origin of this waterfall. They diverted a meander of the river Amblève to activate a mill located below the current waterfall. However, before this diversion, the water from the river already overflowed onto the surrounding rocks. The Coo waterfall therefore also has a natural origin. At the beginning of the 19th century, the waterfall attracted a lot of people! Indeed, Coo was part of the "Amusements de Spa" circuit. It was the beginning of Belgian and European tourism... Translated with www.deepl.com/translator (free version)