The Lerderderg River (known locally as ''The Lerdy''
[) is a perennial river of the Port Phillip catchment, located in the Western District region of the ]Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
n state of Victoria.
Location and features
The Lerderderg River rises below the Blackwood Ranges, part of the Great Dividing Range
The Great Dividing Range, also known as the East Australian Cordillera or the Eastern Highlands, is a cordillera system in eastern Australia consisting of an expansive collection of mountain ranges, plateaus and rolling hills, that runs rough ...
, in the Lerderderg State Forest, near the locality of . The river flows generally south by east in a highly meandering course
Course may refer to:
Directions or navigation
* Course (navigation), the path of travel
* Course (orienteering), a series of control points visited by orienteers during a competition, marked with red/white flags in the terrain, and corresponding ...
, through the Lerderderg Gorge
The Lerderderg Gorge is in Victoria, Australia and largely within the Lerderderg State Park. The Lerderderg River which emerges from the Great Dividing Range has cut a deep gorge as it winds toward the southern plains. It is suggested that the n ...
within the Wombat State Forest where it is joined by two minor tributaries, The Old River and Goodman Creek, before reaching its confluence
In geography, a confluence (also: ''conflux'') occurs where two or more flowing bodies of water join to form a single channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main stem); o ...
with the Werribee River within the Melton Reservoir, southeast of Bacchus Marsh
Bacchus Marsh (Wathawurrung: ''Pullerbopulloke'') is an urban centre and suburban locality in Victoria, Australia located approximately north west of the state capital Melbourne and west of Melton, Victoria, Melton at a near equidistance to th ...
. The river descends approximately over its course.[
A diversion in the river's course, called the Lerderderg River diversion tunnel, located approximately upriver from Bacchus Marsh, was constructed between 1855 and 1870. The tunnel was driven through a mountain spur in a horseshoe bend, diverting the river, and allowing the exposed river bed to be sluiced for alluvial gold.]Lerderderg Gorge
The Lerderderg Gorge is in Victoria, Australia and largely within the Lerderderg State Park. The Lerderderg River which emerges from the Great Dividing Range has cut a deep gorge as it winds toward the southern plains. It is suggested that the n ...
Picnic Ground, camping, bushwalking, and fishing. In earlier days, gold was mined in the upper reaches, and some of the old mines (considered dangerous to enter) can be seen as you travel along the sluice
Sluice ( ) is a word for a channel controlled at its head by a movable gate which is called a sluice gate. A sluice gate is traditionally a wood or metal barrier sliding in grooves that are set in the sides of the waterway and can be considered ...
on the east bank, which previously fed into those mines. The water slowed to a trickle during the severe drought of 2007. Even when not flowing, there are still a few popular swimming spots along the river, including "Harry's Hole", "Third Hole", and "The Pit", all of which are in the Lerderderg Gorge.
The river is traversed by the Western Freeway northeast of Bacchus Marsh.[
]
See also
*Lerderderg Track
The major part of the Great Dividing Trail (but not all) is now re-badged as the Goldfields Track, a hiking and mountain-biking track through the historical Goldfields region of Victoria to the north-west and west of Melbourne. The trail passes ...
*List of rivers of Australia
This is a list of rivers of Australia. Rivers are ordered alphabetically, by state. The same river may be found in more than one state as many rivers cross state borders.
Longest rivers nationally
Longest river by state or territory
Althoug ...
* Wombat State Forest
References
{{Authority control
Rivers of Victoria (Australia)
Port Phillip and Western Port catchment
Rivers of Grampians (region)
Bacchus Marsh
Western District (Victoria)