Between the Riedener Mühlen and Rieden is the reservoir with a water surface of about four hectares, which is fed from the Rehbach. Because the source originally came from the rectory, the forest lake is jokingly referred to as the "largest holy water basin in the world". The lake is owned by the Zweckverband Waldsee Rieden. The lake is located in the Mayen-Koblenz district and has an area of around 40 hectares. At its deepest point, it goes down 8 meters in the lake. The next major city to visit the lake from is Mayen. Nearby are the lakes Laacher See (approx. 8.1 km), Waldsee (approx. 9.9 km) and Heilbachsee (approx. 19.8 km). The lake is used for swimming when the weather is nice , the water fulfills the guidelines of the European Union (EU) as bathing water, offers an excellent water quality and thus an uncluttered bathing pleasure. Two bathing jetties make it easier to enter the water. Sunbathing areas right on the shore, children's play and barbecue areas, tennis, boat rentals, boccia and chess, laid out walking paths and a bathing plateau make your stay varied. A hotel restaurant with Seestraße ensures the well-being of the visitors. A building with changing rooms and sanitary facilities complete the offer. Holiday village on the Riedener WaldseeIdyllic and directly on the Waldsee Rieden there is a holiday park in the middle of the Eifel volcano park for nature lovers who want to escape the loud and hectic hustle and bustle of everyday life. Embedded in a gently rising valley, surrounded by mixed forest with imposing beech trees, some of which are 100 years old, the holiday homes nestle on the south-eastern slope of the Schmalberg in several terraces without through traffic, whether for a short weekend break or your annual vacation - the time in the holiday village is ideal for Shut down and relax.