See detailed information for ELR NPF
⚠️ Geology shown below is based on British Geological Survey (BGS) low-resolution data sampled at 100 metre intervals along the ELR. The geology relative to the mileages should not be treated as accurate or complete. Data marked with Ⓤ is classed as undifferentiated by the BGS.
| Mileage | Material | Deposit | Bedrock |
|---|---|---|---|
| 283M 0156y to 283M 0188y | Clay, Silt and Sand | Alluvium | Arenig Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 283M 0188y to 283M 1045y | Arenig Rocks Ⓤ - Mudstone, Siltstone and Sandstone | ||
| 283M 1045y to 284M 1045y | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone | ||
| 284M 1045y to 284M 1705y | Diamicton | Till | Upper Cambrian, Including Tremadoc - Mudstone, Siltstone and Sandstone |
| 284M 1705y to 286M 0275y | Diamicton | Till | Llanvirn Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 286M 0275y to 286M 1155y | Diamicton | Till | Unnamed Extrusive Rocks, Ordovician - Felsic Tuff |
| 286M 1155y to 286M 1265y | Unnamed Extrusive Rocks, Ordovician - Felsic Tuff | ||
| 286M 1265y to 286M 1485y | Diamicton | Till | Unnamed Extrusive Rocks, Ordovician - Felsic Tuff |
| 286M 1485y to 287M 1045y | Diamicton | Till | Caradoc Rocks Ⓤ - Mudstone, Siltstone and Sandstone |
| 287M 1045y to 287M 1176y | Diamicton | Till |