See detailed information for ELR BOK5

 ⚠️ 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 0720y to 2M 0495yThames Group - Clay, Silt, Sand and Gravel
2M 0495y to 3M 1549ySand and GravelRiver Terrace Deposits ⓊThames Group - Clay, Silt, Sand and Gravel