River Torrens like: Sheoak ("Casuarina stricta"), native cherry ("Exocarpos cupressiformis"), native pine ("Callitris preissii") and Australia's floral emblem the golden wattle ("Acacia pycnantha") From its source the river flows westwards through Birdwood and Gumeracha. It then continues down through Torrens Gorge entering suburban Adelaide at Athelstone with some of its path paralleled by the O-Bahn Busway. It passes between the city-centre and North Adelaide, forming the Torrens Lake between the Adelaide Zoo and a weir opposite Adelaide Gaol. The river then continues the remaining eight kilometres to the sea at Henley Beach South, emptying into Gulf St Vincent via a constructed outlet.
River Torrens after him. In 1867, prison labour from Adelaide Gaol was used to build a wooden dam near the site of the current weir. The dam was poorly constructed and almost immediately the Torrens washed it away. Construction of a permanent concrete weir was begun in November 1880 and completed, at a cost of £7,000, in 1881. The sluice gates were closed to begin filling the Torrens Lake on 1 July 1881. At the lake's official opening on 21 July 1881 an estimated 40,000, almost the entire population of Adelaide, attended. During the 1889 flood, the weir was overwhelmed, its gates