Officers were pictured today leaving a property in Barwick in Elmet with huge bags filled with cannabis plants.
Police from the Leeds North East neighbourhood patrol team (NPT) were involved in the operation.
The team cover Alwoodley, Chapel Allerton, Harewood, Moortown, Roundhay, Wetherby and surrounding areas.
They posted to social media: "Officers from Leeds North East NPT have been working hard to empty a large drugs factory in the Barwick in Elmet area.
"The investigation is live and ongoing at this time."