Its source is near Annfield Plain, where it is known as Kyo Burn. Then changing its name again to Causey Burn as it flows underneath the famous Causey Arch. It then flows past Beamish Museum in County Durham (where it is known as Beamish Burn) then crosses the border into Gateshead flowing through Lamesley. Continuing on into the Team Valley, the river flows through a culvert in the middle of the roundabout underneath the A1 road, it then continues through the Team Valley Trading Estate through a covered culvert, before emerging to the surface halfway along.
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