Lock Island, River island in Marlow, Great Britain
Lock Island is a river island in Marlow situated between Marlow Lock and its accompanying weir on the Thames. Residential homes occupy the island and are connected to the mainland by footbridges.
The Marlow weir system was documented in the Domesday Book, showing the area's long involvement in river management. This infrastructure developed to control water flow and support navigation on the Thames.
The island represents Thames engineering heritage with its integration into the forty-five lock system that regulates water flow.
Access to the island is restricted and only possible via footbridges or by boat, with visitors needing to follow private access rules. Planning ahead is advisable since entry is not freely available to the general public.
The island contains secluded riverside homes while functioning as a crucial part of Thames water management infrastructure.
GPS coordinates: 51.38167,-0.45861
Latest update: December 21, 2025 16:05
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