See detailed information for ELR BSF

 ⚠️ Geology shown below is based on British Geological Survey (BGS) low-resolution data sampled at 100 metre intervals along the ELR. The geology relative to the mileages should not be treated as accurate or complete. Data marked with Ⓤ is classed as undifferentiated by the BGS.

MileageMaterialDepositBedrock
0M 1555y to 0M 1602yClay, Silt and SandAlluvium
0M 1602y to 1M 0605yClay, Silt and SandAlluviumThames Group - Clay, Silt, Sand and Gravel
1M 0605y to 1M 1155ySand and GravelRiver Terrace Deposits ⓊThames Group - Clay, Silt, Sand and Gravel
1M 1155y to 1M 1372yClay, Silt and SandAlluviumThames Group - Clay, Silt, Sand and Gravel