| Bleibtreusee | |
| Location: | Rhein-Erft-Kreis, North Rhine-Westphalia |
| Pushpin Map: | North Rhine-Westphalia |
| Coords: | 50.8397°N 6.8597°W |
| Basin Countries: | Germany |
| Area: | 74.2ha |
Bleibtreusee is an artificial lake on the grounds of the former open-pit lignite mine in Rhein-Erft-Kreis, North Rhine-Westphalia, Germany. At an elevation of its surface area is 74.2 ha. North of Bleibtreusee, there is an electricity pylon, which carried from 1977 to 2010 an observation deck.