island state of
Tasmania, is approximately equal in
area to theUnited States (excluding Alaska and Hawaii).
Mountain ranges run from north to south along the
east coast, reaching their highest point in Mount Kosciusko (7,308 ft; 2,228 m). The western half of the continent is occupied by a desert plateau that rises into barren, rolling hills near the west coast. The Great Barrier Reef, extending about 1,245 mi (2,000 km), lies along the northeast coast. The island of Tasmania (26,178 sq mi; 67,800 sq km) is off the southeast coast.