Police are on the hunt for a man who robbed an East Maitland service station armed with an axe on Thursday morning.

Its alleged about 5:20am, a man armed with a tomahawk entered the service station on Newcastle Road before jumping on the counter and demanding cash.

He then threatened a 28-year-old man, before stealing the draw of the cash register and fleeing west on High Street.

The attendant was shaken but not injured.

The man is being described as being of Caucasian appearance, aged in his 20s, with an average build and about 170-175cm tall. He was wearing a black hooded jumper with a green coloured jacket, black coloured baseball cap, pants and running shoes.

Anyone with information is being urged to contact Crime Stoppers on 1800 333 000.