A French BASE jumper has been arrested after he allegedly jumped off a crane in Darling Harbour and parachuted over traffic early Tuesday morning.

It is alleged 24-year-old Jonathan Perherin broke into a construction site on Wheat Road in the city about 3.15am.

French BASE jumper Jonathan Perherin. Credit:Facebook

Mr Perherin then allegedly climbed to the top of a crane with BASE jumping equipment and a recording device, before leaping off the building.

Police believe he then parachuted over several lanes of traffic and Darling Harbour, before landing on Darling Drive in Pyrmont.