Geology for ELR USY 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 |
|---|---|---|---|
| 109M 1273y to 110M 0656y | Corallian Group - Limestone, Sandstone, Siltstone and Mudstone |