Police say officers were called to the business at about 11 p.m. Wednesday night. Investigators determined a man allegedly threatened an employee with a knife and stole cash before fleeing the scene in a truck.
No injuries were reported.
The suspect vehicle is described as a grey Chevrolet Sierra. The suspect is described as an adult male wearing a black sweater, jeans, and a red-and-black hat.
RCMP say neither the suspect nor the truck has been located.
Anyone with information about the robbery, or who witnessed suspicious activity in the Debden area late on September 23rd or early September 24th, is asked to contact Big River RCMP by calling 310-RCMP or Saskatchewan Crime Stoppers.
Big River RCMP continue to investigate.