describe where the river tillingbourne is
RIVER TILLINGBOURNE. The River Tillingbourne is just 11 miles long running along the south side of the North Downs to join the River Wey at Guildford. Its source is near Tilling Springs to the north of Leith Hill and the catchment is situated on sandstone which has a low rate of weathering.ishing Breaks offer brown trout dry fly and nymph fishing in the county of Surrey. Surrey might not at first glance be much of a river county but it actually has nineteen classified rivers, including the River Thames.