Seymour Tower, Coastal defense tower on L'Avarison islet, Jersey.
The square granite tower stands isolated on a rocky tidal island, positioned two kilometers from the southeast coast of Jersey.
Built in 1782 under Sir Henry Seymour Conway's direction, the tower formed part of Jersey's defensive network following the Battle of Jersey in 1781.
The tower serves as a base for archeological research of the Violet Bank, where scientists documented Neanderthal presence from 250,000 years ago.
Access to the tower requires advance booking with an accredited guide and depends on weather conditions and tidal movements.
The structure differs from other Jersey coastal towers through its square design and placement on a tidal island that submerges twice daily.
Inception: 1782
GPS coordinates: 49.15760,-2.00780
Latest update: March 3, 2025 05:27
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