Lake Torrens Lake Torrens Lake Torrens is a normally ephemeral salt lake in central South Australia. After extreme rainfall events, the lake flows out through the Pirie-Torrens Corridor to the Spencer Gulf. Lake Torrens lies between the Arcoona Plateau to the west and the Flinders Ranges to the east, about north of Port Augusta and about north of the Adelaide city centre. The lake is approximately above sea level, with a maximum depth of 1 m. It is located within the boundaries of Lake Torrens National Park. Lake Torrens stretches approximately in length and in average width. It is Australia's second largest
River Torrens inundated to The Parade, Adelaide to Pirie and Rundle Streets, and many areas west of the city were left in a shallow lake. The river ran deep over the weir near Thorndon Park Reservoir, over the Torrens Lake Weir and over the Morphett Street Bridge. The Underdale (or Holbrooks) Bridge was destroyed, the Torrens Lake weir's bridge damaged, and the Felixstow Bridge over the Fourth Creek washed away. The first European sighting of the river was in November 1836 by an exploration party comprising Lieutenant W.G. Field, John Morphett and George Strickland Kingston. The river was named "The Yatala" by