Valkenburg Heritage Walk: Sold Its Hill, Self-Guided App Tour

Valkenburg sold its hill: castle ruin above, marl caves below, and a spa-town street between them. This ten-stop walk of about 1.5 km starts at the Grendelpoort, then Grotestraat, the Nicolaas and Barbara church, the Geulpoort, Theodoor Dorrenplein, Kasteel Den Halder, the public approach to the castle ruin, the public approach to the Fluweelengrot, the public approach to the Gemeentegrot, and the Openluchttheater. Castle and cave interiors are paid. Self-guided in the StepQuests app: GPS between stops, stories you read on your phone. How it works This is a self-guided digital walking tour in the StepQuests mobile app. There is no live guide. After booking you receive an email invitation code to unlock the route. Walk at your own pace in Valkenburg with GPS navigation and stories at each stop. Flex PASS ticket: no fixed meeting time or group departure. Meeting point: Grendelpoort (Grendelpoort, Valkenburg). Open the app and tap Start when you arrive. End point: Openluchttheater (Openluchttheater, Valkenburg). No vehicle drop-off. Finish the last stop in the app, then leave when you like. Admission: outdoor landmark viewing is included in the route; optional paid interior tickets are not included and not required. Approximate duration: 120 minutes. Stops on route: 10. Highlights on this route Grendelpoort Grotestraat H.H. Nicolaas en Barbarakerk Geulpoort Theodoor Dorrenplein Kasteel Den Halder Kasteelruine Fluweelengrot