See detailed information for ELR HEB

 ⚠️ 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
18M 0749y to 18M 1045yClay, Silt and SandAlluviumWhite Chalk Subgroup - Chalk
18M 1045y to 19M 0715ySand and GravelRiver Terrace Deposits ⓊWhite Chalk Subgroup - Chalk
19M 0715y to 24M 0498yClay, Silt and SandAlluviumWhite Chalk Subgroup - Chalk