Website:https://www.seqwater.com.au/water-supply/dam-operations/wivenhoe-dam (Website)
Description:Lake Wivenhoe, also known as Wivenhoe Dam consists of an earth and rock embankment 2.3 kilometres long and 50 metres high, measured from the lowest foundation to the crest, with a concrete spillway section on which five steel crest gates are installed. These gates, 12 metres wide and 16.6 metres high, are amongst the largest of their type in the world.