LAKE GEORGE, N.Y. (WCAX) Police said the robbery happened Friday night at Mobil 2398 on Route 9N in Lake George.
The suspect, described as a tall man with a slender build, entered the store with a weapon and ordered the clerk to open the cash register.
The man took several hundred dollars and then ran off. He was wearing a dark colored jacket, jeans, and a full-faced white mask.
Anyone with information is asked to call the Warren County Sheriff's Office - Investigator Edward Affinito at 518-743-2500.