Complex sentence: The Tambo River begins in the Bowen Mountains in the southern reaches of the Australian Alps in the Great Dividing Range about 20 km east of Benambra, and flows south into Lake King, one of the main lakes in the extensive Gippsland Lakes system.
Split into simpler sentences: The Tambo River begins in the Bowen Mountains in the southern reaches of the Australian Alps, part of the Great Dividing Range, about 20 km east of Benambra. It flows south into Lake King, one of the main lakes in the extensive Gippsland Lakes system.