Lake Bryde-East Lake Bryde is a DIWA-listed freshwater wetland system located in the Great Southern region of Western Australia. The system consists of two lakes: Lake Bryde, with an area of 50 hectares (120 acres); and East Lake Bryde, with an area of about 1.4 square kilometres (0.54 sq mi). They are located at the head of a chain of lakes that extend to Lake Magenta, and ultimately form part of the Swan-Avon drainage system.