FLOC Finder
Explore and locate FLOCs (Functional Locations) on UK waterways. Use this interactive map to find FLOC codes or browse locations.
Enter a FLOC code from your CRT sighting record, or zoom into the map to see codes along each waterway. For example, try GU-040.
FLOC data is sourced from the CRT Open Data Hub. © The Canal & River Trust copyright and database rights reserved 2025