Geology for ELR RTS 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 -249y to 0M 1265y | Diamicton | Till | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |
| 0M 1265y to 0M 1578y | Lias Group - Mudstone, Siltstone, Limestone and Sandstone |