Complex sentence: Its source is on the edge of Claygate in the Surrey borough of Elmbridge, located near to the A3 Esher By-Pass on the borough border with Hook in Greater London (Kingston).
Split into simpler sentences: Its source is on the edge of Claygate in the Surrey borough of Elmbridge. It is located near to the A3 Esher By-Pass on the borough border with Hook in Greater London (Kingston).