OS & BGS Map
Ordnance Survey — British Geological Survey
Map style:
Outdoor
Road
Light
Leisure
Go
BGS Data Layers
▲
Boreholes
Borehole records
legend
Unknown Length
Confidential
0 – 10 m
10 – 30 m
30 m+
Hazards
Landslides
Earthquakes
Geophysics
Gravity anomalies
Magnetic anomalies
Water
Hydrogeology
Contains British Geological Survey materials
© UKRI 2026
Unknown Length
Confidential
0 – 10 m
10 – 30 m
30 m+