Geology for ELR HSE is based on British Geological Survey (BGS) low-resolution data sampled at 100 metre intervals along the ELR. The geology presented should not be treated as accurate or complete. Data marked with Ⓤ is classed as undifferentiated by the BGS.
| Mileage | Material | Deposit | Bedrock |
|---|---|---|---|
| 0M -361y to 0M -055y | White Chalk Subgroup - Chalk | ||
| 0M -055y to 0M 0165y | Sand and Gravel | Raised Marine Deposits Ⓤ | White Chalk Subgroup - Chalk |
| 0M 0165y to 0M 0356y | White Chalk Subgroup - Chalk |