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The Royal Military Canal is a defensive waterway constructed during the Napoleonic Wars, specifically between 1804 and 1809, as a precautionary measure against potential French invasion. The section between Bilsington Bridge and Bonnington Bridge, located in the Romney Marsh area of Kent, forms part of this strategically important fortification that runs for approximately 28 miles across southeastern England. The canal was engineered to provide both a physical barrier and a means of rapid troop movement, with its banks designed to accommodate artillery positions and defensive emplacements. Though never tested in active defence against invasion, the Royal Military Canal remains a significant example of early nineteenth-century military engineering and represents a crucial period in British defensive strategy during the Napoleonic era.
Royal Military Canal, Bilsington Bridge to Bonnington Bridge is a scheduled monument protected by Historic England under reference 1005128. View the official record →
The Royal Military Canal is a defensive waterway constructed during the Napoleonic Wars, specifically between 1804 and 1809, as a precautionary measure against potential French invasion. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1005128.
Royal Military Canal, Bilsington Bridge to Bonnington Bridge is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1005128.
Several scheduled monuments lie within 10 km, including Royal Military Canal, Ham Street Bridge to Bilsington Bridge (2.9 km), Eastbridge Church (3.2 km), World War II underground operational post, 1/3 mile (540m) SW of Chapel Farm (3.5 km).
This page is just one thread. A full Aubrey report pulls together 15 strands of Royal Military Canal, Bilsington Bridge to Bonnington Bridge's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Royal Military Canal, Bilsington Bridge to Bonnington Bridge stands on Wealden Group, bedrock that formed in the Barremian. The rock here is mudstone, siltstone and sandstone.