Canberra - Geography

Geography

Canberra covers an area of 814.2 square kilometres (314.3 sq. mi) and is located near the Brindabella Ranges, approximately 150 kilometres (93 mi) inland from Australia's east coast. It has an elevation of approximately 580 metres (1,900 ft) AHD; the highest point is Mount Majura at 888 metres (2,913 ft). Other large hills include Mount Taylor, Mount Ainslie, Mount Mugga Mugga and Black Mountain.

The native forest in the Canberra region was almost wholly eucalypt species and provided a resource for fuel and domestic purposes. By the early 1960s, logging had depleted the eucalypt, and concern about water quality led to the forests being closed. Interest in forestry began in 1915 with trials of a number of species including Pinus radiata on the slopes of Mount Stromlo. Since then, plantations have been expanded, with the benefit of reducing erosion in the Cotter catchment, and the forests are also popular recreation areas.

The urban environs of the city of Canberra straddle the Ginninderra plain, Molonglo plain, the Limestone plain, and the Tuggeranong plain (Isabella's Plain). The Molonglo River which flows across the Molonglo plain has been dammed to form the national capital's iconic feature Lake Burley Griffin. The Molonglo then flows into the Murrumbidgee north-west of Canberra, which in turn flows north-west toward the New South Wales town of Yass. The Queanbeyan River joins the Molonglo River at Oaks Estate just within the ACT.

A number of creeks, including Jerrabomberra and Yarralumla Creeks, flow into the Molonglo and Murrumbidgee. Two of these creeks, the Ginninderra and Tuggeranong, have similarly been dammed to form Lakes Ginninderra and Tuggeranong. Until recently the Molonglo River had a history of sometimes calamitous floods; the area was a flood plain prior to the filling of Lake Burley Griffin.