Ochre Dyke flows east/south east along the southern border of the golf course and passes through Birley Wood; up to this point it is the county boundary between South Yorkshire and North East Derbyshire.
The Ochre dyke gets its name from the pollution of the water by yellow ochre (Iron Oxide) as a result of coal mining activity in the upper reaches of the valley.
The area in and around Birley wood was extensively mined for coal and black-band iron ore from at least the medieval period up to the mid 20th century when Dent Main Colliery closed.
After passing Birley Moor Road, the brook flows through Owlthorpe, past the Crystal Peaks shopping centre, before heading into Beighton and passing beneath Sothall Green at its junction with the main road.
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