Richmond Area Local Command police are investigating an armed hold-up at the Workers Sports Club in Oliver Avenue, Goonellabah, at 7.45 on Sunday night.
Police said a man entered the club armed with a rifle and got away with a large sum of cash.
Two female staff members were at the club at the time.
The man is described as being in his early 20s and of Caucasian appearance with an olive complexion.
He is about 175cm tall, had little or no hair, and was wearing a dark jacket and dark tracksuit pants.
Any information to Lismore Police on 6626 0599.