See detailed information for ELR RPE

 ⚠️ 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
8M 0729y to 8M 1595yThames Group - Clay, Silt, Sand and Gravel
8M 1595y to 10M 0495ySand and GravelRiver Terrace Deposits ⓊThames Group - Clay, Silt, Sand and Gravel
10M 0495y to 12M 0825yThames Group - Clay, Silt, Sand and Gravel
12M 0825y to 13M 1155yLambeth Group - Clay, Silt, Sand and Gravel
13M 1155y to 14M 0385ySand and GravelRiver Terrace Deposits ⓊLambeth Group - Clay, Silt, Sand and Gravel
14M 0385y to 14M 0630ySand and GravelRiver Terrace Deposits ⓊThames Group - Clay, Silt, Sand and Gravel