The large Kiama blowhole was formed by a dyke in the rock, it was eroded by wave action, the rock then collapsed, and the tunnel formed
i denna
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5000 meters ....
Kiama Blowhole, on the New South Wales coast, was discovered by George Bass on 6 December 1797.
valcanic rock , basalt
It's apparently 260 million years old in the Permian Period
George Bass, who was the first to discover the famous Kiama blowhole, on 6 December 1797.
Kiama Knights was created in 1914.
Kiama Light was created in 1887.
Municipality of Kiama was created in 1859.
HMAS Kiama ended on 1946-04-03.
HMAS Kiama was created on 1944-01-26.