See detailed information for ELR OSC

 ⚠️ 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.

MileageMaterialDepositBedrock
181M 1407y to 181M 1705yClay, Silt and SandAlluviumPennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ
181M 1705y to 183M 0093yPennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ