Police used a warrant to search a property near Roe Lake, and found more than 1,000 plants and about 23 kilograms of packaged marijuana.
Officers say they also found an extremely dangerous electrical setup, including a large junction box with a spaghetti-like tangle of wiring feeding electricity into the grow-operation.
Const. Lesley Smith says the drug's street value is estimated at more than a million dollars, and the pot will be destroyed.
Three Metro Vancouver men and a fourth man from Poland were arrested and face production and trafficking charges.
The investigation was part of the RCMP's national Marijuana Grow Initiative, a strategy to fight grow-ops.
Also on HuffPost