This interactive experience will take you on a self-guided discovery tour of Valkenburg. You'll solve 15 riddles en route via your phone's web browser, with each correct answer revealing the location of your next stop. Stops along the trail will include Oost Castle, Spaans Leenhof, Den Halder Castle, the Lourdes Cave and Franse Molen, among others.
Miks sinna minna?
- Interactive way to discover Valkenburg
- Insights into the city's history and culture
- Chance to explore the city at your own pace
Mis on hinnas?
- Interactive city trail for up to six participants
Mis pole hinna sees?
- Smartphone
- Guide services
- Admission
Audiogiid on saadaval mitmes keeles

Lisateave
This is a self-guided tour and there will be no guide to meet you at the starting point.
Please remember to bring your own headphones for your smartphone.
The game is played on your phone’s internet browser and downloads are not necessary.
You can pause the game at any time and pick up where you left off when you are ready to continue.
You can play any day of the week but it is recommended to play during daylight hours.