Geology for ELR HLD 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 |
|---|---|---|---|
| 72M 0433y to 72M 1595y | Sand and Gravel | Raised Marine Deposits Ⓤ | Zechstein Group - Dolomitised Limestone and Dolomite |
| 72M 1595y to 73M 0075y | Zechstein Group - Dolomitised Limestone and Dolomite |