The six-lake- district is situated in Duisburg's south and consists of the Böllert-Lake, Haubach-Lake, Masuren-Lakes, Wambach-Lake, Wildförster-Lake and the Wolfs-Lake. This ca. 300 hectare large recreation area originated through gravel and sand depoists diggin, which was needed for the nearby residential area Wedau at the beginning of the 20th-century.
On the Wolfs Hill at the Wolfs-Lake is a 23 metres high viewing tower situated. The tower doesn't only enable you to view the six lakes but also large parts of the surrounding area in good weather. The viewing tower replaced a wooden tower, which was destroyed by arson in 2002.