See detailed information for ELR NAJ1

 ⚠️ 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 5M 1265yThames Group - Clay, Silt, Sand and Gravel
5M 1265y to 6M 0165ySand and GravelRiver Terrace Deposits ⓊThames Group - Clay, Silt, Sand and Gravel
6M 0165y to 6M 0961yThames Group - Clay, Silt, Sand and Gravel