Lost or historical waterway
Walbrook
A lost watercourse beneath the City. The dotted route is a historical reconstruction, not a navigable stream.
City of London
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 Lies Sleeping · reference, 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
Walbrook. The fan index records Walbrook separately from Mama Thames’s court.