# Valkenburg Castle ruins

> The ruins of the only hilltop castle in the Netherlands, above the Geul valley, with secret passages in the marl. The ticket includes the castle and caves bel

Source: https://camping-spirit.com/places/b14-valkenburg-castle/

The ruins of the only hilltop castle in the Netherlands, above the Geul valley, with secret passages in the marl. The ticket includes the castle and caves below; parking in the town is paid.

- **Nearest town:** Valkenburg, Netherlands
- **Category:** History & culture
- **GPS:** 50.8648, 5.8300

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