Its headwaters are to the south of Newcastle, on the other side of Spoad Hill (alternatively Springhill).
[1] It flows through Treverward, Purlogue, New Invention, Chapel Lawn, Bucknell and Coxall, before discharging into the River Clun at Jay.
The upper reaches through Treverward and Purlogue were known as the Bradfeld or Bardfield Flud up until the early 19th century.
From Saxon times until the end of the 18th century, the lower reaches and maybe higher, were known as the Adlake, Adlagh and Elagh, plus many variations in spelling, so called because of a Saxon Manor called Adelactune further downstream at Bucknell.
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