UPDATE: Bottom of Bulli Pass re-opened

The bottom of Bulli Pass has re-opened after a three-car accident this morning.

Police blocked the bottom of the pass on the Princes Highway southbound about 11am.

Four people were involved in the accident.

A 20-year-old woman was taken to Wollongong Hospital with a possible head injury.

She was unconscious at the scene and remains in a serious but stable condition.

Three cars were involved in an accident at the bottom of Bulli Pass on Saturday morning

Three cars were involved in an accident at the bottom of Bulli Pass on Saturday morning