See detailed information for ELR WHM

 ⚠️ 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
122M 0595y to 122M 0715yTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
122M 0715y to 122M 1045yClay, Silt and SandAlluviumTriassic Rocks Ⓤ - Mudstone, Siltstone and Sandstone
122M 1045y to 123M 0825yClay, Silt and SandAlluviumTriassic Rocks Ⓤ - Sandstone and Conglomerate, Interbedded
123M 0825y to 124M 0385yClay, Silt and SandAlluviumPennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ
124M 0385y to 124M 0825ySand and GravelRiver Terrace Deposits ⓊPennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ
124M 0825y to 125M 0379yClay, Silt and SandAlluviumPennine Lower Coal Measures Formation and South Wales Lower Coal Measures Formation Ⓤ