Man in his 70s injured at Irrawong waterfall

An elderly man has fallen at Irrawong waterfall in North Narrabeen.

The 70-year-old was going for a walk when he slipped - landing on rocks and injuring his shoulder at the picturesque Sydney spot.

Paramedics were winched down to the location by the rescue helicopter.

They treated him on the spot before winching him to a clearing.

A rescue helicopter was flown in to collect the man and fly him to Royal North Shore Hospital. 

Irrawong waterfall is located in North Narrabeen, 25 kilometres north of Sydney's CBD.