The River Drone is a river which flows south from its source on the Sheffield, South Yorkshire border. It flows through Dronfield, Unstone and Unstone Green in Derbyshire before merging at Sheepbridge to the north of Chesterfield with the Barlow Brook. It then flows south east till it merges with the River Rother at Brimmington Road North (B6050) at Chesterfield. It is one of the three main tributaries of the Rother.
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