See detailed information for ELR GRW

 ⚠️ 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
67M 1418y to 68M 0275yLambeth Group - Clay, Silt, Sand and Gravel
68M 0275y to 68M 0385ySand and GravelGlacial Sand and GravelLambeth Group - Clay, Silt, Sand and Gravel
68M 0385y to 68M 0715ySand and GravelGlacial Sand and GravelWhite Chalk Subgroup - Chalk
68M 0715y to 68M 1081yWhite Chalk Subgroup - Chalk