Geology for ELR MAX 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 |
|---|---|---|---|
| 0M 0471y to 0M 1045y | Sand and Gravel | Glacial Sand and Gravel | Stewartry Group - Sandstone, Breccia and Conglomerate |
| 0M 1045y to 0M 1265y | Clay, Silt and Sand | Alluvium | |
| 0M 1265y to 1M 0055y | Clay, Silt and Sand | Alluvium | Stewartry Group - Sandstone, Breccia and Conglomerate |
| 1M 0055y to 3M 0169y | Sand and Gravel | Glacial Sand and Gravel | Stewartry Group - Sandstone, Breccia and Conglomerate |