Kiama's famous Blowhole is the largest in the world!A viewing platform with disabled access gives good views of Kiama blowhole.This landmark has attracted people to the region for over 100 years, was first sighted by George Bass when he anchored his whale boat in the sheltered bay, now known as Kiama harbour, in December 1797.It is estimated that 900,000 people visit the Blowhole per year to view the spectacular plumes of water that can be seen when the seas are running from the south east.