Hey Brook is a watercourse in Rochdale, Greater Manchester and a tributary of the River Roch. It originates at the confluence of Buckley Brook and Syke Brook, and flows through Wardleworth to the River Roch.

Tributaries

• Syke Brook

Buckley Brook

• Fanny Brook

Clough House Brook

• Nick Road Brook

• Stid Brook

Knowl Syke Brook

Higher Slack Brook

• Long Shoot Brook

• Calf Brook

• Copy Brook