See detailed information for ELR GAW2

 ⚠️ 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
0M -029y to 0M 0055yPennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ
0M 0055y to 0M 0275yClay, Silt and SandAlluviumPennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ
0M 0275y to 1M 0275yClay, Silt and SandAlluviumSouth Wales Upper Coal Measures Formation - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete
1M 0275y to 4M 0385ySouth Wales Upper Coal Measures Formation - Mudstone, Siltstone, Sandstone, Coal, Ironstone and Ferricrete
4M 0385y to 5M 0163yPennine Middle Coal Measures Formation and South Wales Middle Coal Measures Formation Ⓤ