Limestone Coast

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Blue Lake, Mount Gambier
Blue Lake, Mount Gambier
View across the plains near Naracoorte from Russet Ridge Winery
View across the plains near Naracoorte from Russet Ridge Winery

The Limestone Coast is a recently adopted name for the region in the southeast of South Australia. It includes the towns of Bordertown, Keith, Millicent, Mount Gambier, Penola, and Naracoorte, the coastal resorts of Beachport, Kingston SE and Robe, and the wine-growing regions of Coonawarra, Padthaway, Wrattonbully and Mount Benson.

Much of the Limestone Coast region is low-lying, and was inundated by sea as recently as 2 million years ago. It had previously also been flooded 15–20 million years ago. There are deep limestone deposits created form the coral and other sealife. The limestone in the Naracoorte Caves contains fossils from these times. The plains are lined by rows of low sandhills parallel to the coast, created at times when the coastline was at that level. Prior to white settlement, much of the land between the sandhills was swampy and subject to inundation. A network of drains totalling 1450 km has been constructed to channel the water away through the sandhills to the ocean.

The major industries of the region include farming, viticulture, forestry and tourism.

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