There are many different walking routes through the area:
Duivelsberg: a beautiful route of 6 kilometers through the forest in the Gelderland area, right on the border with Germany. Many interesting views and historical points. Download the pdf of this route.
N70-route: Perhaps the most beautiful walking route in the Netherlands. A day trip of 16 kilometers that runs through the beautiful hilly and culturally rich landscape. Download the pdf of this route (in Dutch).
Walk of Wisdom: This multi-day walk is an absolute must. A pioneering route of 136 km around the hills, swamps, rivers and old forests in the Rijk van Nijmegen.