Geology for ELR FOY 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 |
|---|---|---|---|
| 281M 1750y to 282M 0935y | Lower Devonian Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 282M 0935y to 282M 1155y | Clay, Silt and Sand | Alluvium | Lower Devonian Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 282M 1155y to 282M 1265y | Clay, Silt and Sand | Alluvium | |
| 282M 1265y to 283M 0007y |