High Quality Content by WIKIPEDIA articles The River Lea (or Lee) in England originates in Marsh Farm 51 54′37″N 0 27′40″W / 51.910338 N 0.461233 W / 51.910338; -0.461233, Leagrave, Luton in the Chiltern Hills and flows generally southeast, east, and then south to London where it meets the River Thames 51 30′26″N 0 00′33″E / 51.507113 N 0.009184 E / 51.507113;...