Panorama of Sinkhole 1 of Bridge Cave at Byaduks Caves, Byaduk, Victoria, Australia. Byaduk is a small township in the Southern Grampians region. The Byaduk Caves are part of a lava flow from Mount Napier. The caves are the most extensive and accessible lava caves in Victoria containing wrinkles, stalactites, stalagmites, columns and ropy lava.
Victoria is Australia's second smallest State and covers only 3% of Australia's land area but has the second highest population of all States and Territories. Victoria's mainland and islands have a total length of 2,512 kilometres coastline which is about 4.2% of Australia's 59,736 kilometres of coastline. Australia is the driest inhabited continent and Victoria is no exception although the state capital Melbourne has the reputation to have 4 seasons in one day. Victoria is located in the southeast of mainland Australia and includes the most southern point on mainland Australia at Wilsons Promontory National Park.