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
First met in
Selected book connection: Lies Sleeping · reference. This is a selective index, not a verified first appearance.
Related and sources
Explore on the river map → · Geographical reference ↗
Fictional relationships and real geography are recorded separately. The map explains the limits of its waterway data.
Later in the series · possible spoilers
Walbrook. The fan index records Walbrook separately from Mama Thames’s court.