A northern spur of the Sonnenberg, towards Hausen, is called the Rensberg which, on topographical maps somewhat north of its name at almost the same spot gives the heights as 348.4 m[2] and 346.5 m[1].

28), in the major unit of the Rur Eifel (282), in the subunit of the Rur-Urft-Olef valleys (282.3) and in the natural region of the Heimbach-Maubacher Rurtal (282.34).

On the Sonnenberg, which is covered by the woods of the Hausener Busch, lie parts of the protected area of Kreis Düren (Teilfläche 1) (CDDA no.

On its lower slopes in the south, west and northwest are separate elements of the nature reserve of Buntsandsteinfelsen im Rurtal zwischen Heimbach und Kreuzau (CDDA no.

From these and other roads or in the villages mentioned the hill may be reached on numerous woodland tracks and paths; it is a popular walking area.