Mariawald Abbey was a monastery of the Trappists, located above the village of Heimbach, in the district of Düren in the Eifel, in the forests around Kermeter, North Rhine-Westphalia, Germany. In September 2018, the last remaining monks left Mariawald Abbey and the monastery is currently up for sale.

The Kermeter is an upland region, up to 527.8 m above sea level (NN), which is part of the Rureifel within the North Eifel in the districts of Aachen, Düren and Euskirchen in the southwestern part of the state of North Rhine-Westphalia in Germany.