Four people were found clinging to rocks after being swept away at far North Queensland gorge.

A man and woman in their 40s along with a male teenager and a boy were swept away just after 4.15pm on Thursday at Mossman Gorge, almost 80 kilometres north of Cairns.

Swift water rescue crews managed to get the four people back to dry land after they were stranded on two rocks when they were swept away by the strong current.