# Den Halder Castle

> castle in Valkenburg, Netherlands

**Wikidata**: [Q2611044](https://www.wikidata.org/wiki/Q2611044)  
**Source**: https://4ort.xyz/entity/den-halder-castle


## References

1. [Dutch National Monument List](https://cultureelerfgoed.nl/monumenten/36780)
2. Dutch National Monument List