Best cave trails in Aachen

This cross-border and diverse point-to-point hike connects the imperial city of Aachen with the picturesque Dutch town of Valkenburg aan de Geul. The trail explores the gently rolling hills of the border triangle, following a mixture of historic city paths, quiet field tracks through the Limburg hills, and idyllic trails along the Geul River. A central highlight is the border crossing near Vaals, the expansive views over the "Dutch Alps," and the arrival in vibrant Valkenburg with its famous...