Blausteinsee (Eschweiler)
Blausteinsee near Eschweiler, between Aachen and Cologne, is a flooded lignite open pit and one of the deepest diving lakes in the Rhineland. The operator gives a depth of 46 m and has installed training platforms at 6, 9 and 20 m. A filling station with air and nitrox sits next to the car park and entry platform. Divers report very variable visibility, many crayfish and cold water even in summer.
Facts
- Region: Germany – Lakes & Quarries (North, West & East)
- Area: North Rhine-Westphalia
- Depth: 0–46 m
- Level: advanced
- Current: low
- Type: bay, wall
- Coordinates: 50.854, 6.2744 (approximate)
- Highlights: former lignite open-pit lake, training platforms at 6, 9 and 20 m, crayfish, visibility 1–10 m (diver reports), cold water below the thermocline
- Permit: Diver ticket from Blausteinsee GmbH: day ticket €9, 10-entry card €80, annual card €80 (operator's fee page). The Tauchordnung applies. Check current terms.
- Issuer / contact: Freizeitzentrum Blaustein-See GmbH
- Phone: +49 2403 7499566
- Email: info@blausteinsee.org
- Website: https://blausteinsee.org/wassersport/tauchen/
- Tips: Buy the diver's ticket from the lake operator (Blausteinsee GmbH) and follow its Tauchordnung (dated 1 Dec 2016). The entry platform is right next to the car park. Fills (air, nitrox) and courses via Tauchaixperte (Herr Breuer, 0162 2165567). Diving is the only water sport allowed during the winter closure (1 Nov–31 Mar).