The 25-year-old British man who died after a 90m fall off Sydney's North Head and onto rocks took a haunting last photo of his legs dangling over the cliff edge that later claimed his life.

Gareth Jones posted the image on his Instagram page last Friday, just two days before his death, with the caption: "Another day another happy place", News Corp reports.

Mr Jones, who had been living in Australia for the past year, was a keen BASE jumper and regularly posted videos and photos of people BASE jumping at North Head but it is believed his death did not involve such a jump.

Police said he climbed over a safety fence to watch the sunrise with four friends early on Sunday morning but then slipped near the edge and fell.

Police are treating the death as a "tragic accident" and will prepare a report for the coroner.

Gareth Jones. (Facebook)