Geology for ELR APL 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 |
|---|---|---|---|
| 64M 1280y to 65M 0055y | Peat | Peat | Wealden Group - Sandstone and Siltstone, Interbedded |
| 65M 0055y to 65M 0605y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 65M 0605y to 65M 1705y | Peat | Peat | Wealden Group - Sandstone and Siltstone, Interbedded |
| 65M 1705y to 72M 0275y | Clay, Silt and Sand | Alluvium | Wealden Group - Sandstone and Siltstone, Interbedded |
| 72M 0275y to 74M 0297y | Sand and Gravel | Raised Marine Deposits Ⓤ | Wealden Group - Sandstone and Siltstone, Interbedded |