Aaper Schneise

History: "In the Middle Ages, the Aaper Forest was a royal forest and was part of the large forest area that lay between the Ruhr and the Düssel. This is called a forest with the description of the location "between the Ruhr, Rhine, Düssel and the path from Werden to Cologne". Forest mentioned in a document in 1065. According to this document, King Henry IV donated the Bannwald, among other areas, to Archbishop Adalbert of Bremen. In the middle of the 12th century, the Kaiserswerth Abbey had rights in the Aaper Forest. In a document from 1140, King Conrad III presented the forest The monastery was under imperial protection and confirmed “in particular” the right to “deforest in the Aap Forest”.
The forest with the name “Aap” is also mentioned in two other documents from the 13th century. In a document from 1202, the Archbishop of Cologne, Adolf von Altena, granted the Kaiserswerth monastery the red tithe for the “Wald Ap”. The forest is also mentioned in another document dated April 29, 1248. In this document, the German anti-king William of Holland granted Count Adolf von Berg farms in Mettmann and Rath. For Rath, the location given is “in front of the royal ban forest Aap.”
de.wikipedia.org/wiki/Aaper_Wald

They are good guides

The Aaper forest gives you the opportunity to experience a little nature in the middle of Düsseldorf. Various forest paths allow horse riding, mountain biking, walking and hiking. In the Aaper Forest, these are so spacious that conflicts rarely arise.