Kasteel Paddenpoel, Medieval castle ruins in Leiden, Netherlands
The castle featured a wide inner moat, an extensive outer bailey, defensive walls, two round towers, and a bridge leading to the main entrance.
First documented in 1390, Kasteel Paddenpoel started as a fortified farm before becoming an official castle under the County of Holland administration.
The castle changed ownership between prominent Dutch noble families, including the van Egmond, van Oegstgeest, and van Wassenaar, who served as Leiden burgomasters.
Modern apartment blocks and student residences now stand near the castle site, with scattered brick foundations remaining visible beneath the water.
Archaeological excavations in 1966 revealed substantial medieval wall remains, including a corner tower and entrance gate during construction of the Flanorpad complex.
Location: Leiden
GPS coordinates: 52.17022,4.47641
Latest update: March 3, 2025 14:51
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