Castles - Jersey

5 documented abandoned castles have been mapped by the Urbexology community across Jersey, with the highest concentration around Saint Helier (5). Each location below links to its own page with coordinates, photos where available, and access notes.

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St Helier (5)

All locations

Catel Fort (Saint Helier)
Grosnez Castle (Saint Helier)
La Rocco Tower (Saint Helier)
Plemont Fort Ruins & WWII Bunker (Saint Helier)
St Aubins Fort (Saint Helier)

As a reminder, it is FORBIDDEN to enter private property. Always check local laws and access rights before visiting any location. Read the full disclaimer.