Lost or historical waterway
Fleet
One of London’s best-known lost rivers. Some headwaters remain visible, but the historic urban route is largely buried or absorbed into drainage.
Hampstead / Highgate to Blackfriars
This file pairs a mapped waterway with its place in the fiction. Use the river explorer to trace the real geography, then follow the book guide for the story context and listening route.
First met in
Explore the story connection in Rivers of London, including its book and audio guide.
Related and sources
Explore on the river map → · Geographical reference ↗
The river map separates real geography from the fictional river families.
Later in the series · possible spoilers
Fleet. The river and its personification share a name. The dotted line does not imply a walkable underground route.