<P> The River Trent is the third - longest river in the United Kingdom . Its source is in Staffordshire on the southern edge of Biddulph Moor . It flows through and drains most of the metropolitan central and northern Midlands south and east of its source north of Stoke - on - Trent . The river is known for dramatic flooding after storms and spring snowmelt , which in past times often caused the river to change course . </P>
where is the source of the river trent
in Staffordshire on the southern edge of Biddulph Moor