Light River (South Australia)

Light (Yarralinka)
River
Wasley Road ford through Light River, Korunye
Name origin: In honour of William Light
Country Australia
State South Australia
Region Mid North
Tributaries
 - left Tothill Creek, Julia Creek, Pine Creek, St Kitts Creek
 - right Gilbert River
Source Mount Lofty Range
 - location Waterloo
 - elevation 449 m (1,473 ft)
 - coordinates 33°57′53″S 138°52′21″E / 33.9646°S 138.8724°E / -33.9646; 138.8724
Mouth Gulf St Vincent
 - elevation 0 m (0 ft)
 - coordinates 34°34′43″S 138°21′35″E / 34.5786°S 138.3596°E / -34.5786; 138.3596Coordinates: 34°34′43″S 138°21′35″E / 34.5786°S 138.3596°E / -34.5786; 138.3596
Length 164 km (102 mi)
Location of the river mouth in South Australia
Wikimedia Commons: Light River
[1]

The Light River (Kaurna: Yarralinka[2]), commonly called the River Light, is a seasonal and significant river in the Mid North region of the Australian state of South Australia.

Course and features

The Light River rises on the northern slopes of the Mount Lofty Range below Waterloo and flows generally south through the localities of Steelton, Marrabel, Hamilton, and Hansborough. Here, about halfway through its course, the river flows westerly past Kapunda, Linwood, Hamley Bridge, Mallala, and Lower Light. The river reaches its mouth and enters the Gulf St Vincent through a mangrove estuary. The river descends 447 metres (1,467 ft) over its 164-kilometre (102 mi) course.[1]

The Light River has an expansive catchment within mainly undulating hills, much cleared since European settlement for farming and grazing purposes. There are no geological features that would permit a significant dam or reservoir. The noteworthy tributaries, by descending elevation, are Tothill Creek, Julia Creek, Pine Creek, St Kitts Creek, and the Gilbert River. The latter is a major tributary, merging into the Light River just below Hamley Bridge.

History

The indigenous name for the river is Yarralinka.[2] The upper half of the Light River lies within the traditional lands of the indigenous Ngadjuri people of the Mid North, while much of the lower half is within the territory of the Kaurna people of the Adelaide Plains.

It is uncertain as to which European discovered and named the river. It was probably the exploration party of John Hill, William Wood, Charles Willis, and John Oakden, which left Adelaide on 1 March 1838 bound for the Murray River.[3] Hill had accompanied William Light on his expedition of December 1837 when he discovered the Barossa Valley.[4] Whoever was the discoverer there is no doubt that it was named after William Light.

The first township planned on the River Light was Victoria, located near present Hamilton. At great expense the Secondary Towns Association in London took out the River Light Special Survey on 3 December 1841, through their Adelaide agents John Morphett and John Hill.[5] This speculative venture was doomed when the following year copper ore was discovered nearby, giving rise to Kapunda. Today, Victoria is a quiet farming locality.

Reputation

In the late 1840s and early 1850s when bullock teamsters carted ore from the Burra copper mines to Adelaide the upper reaches above Hamilton were commonly known by them as The Dirty Light, gaining this unflattering epithet from the deep mud they encountered in crossing it. This name then became ordinarily accepted for several decades thereafter, even by the government of the day.[6]

The lower reaches are normally quiet, with peaceful chains of ponds in summer. However, at any time a thunderstorm in the large catchment can engender a severe flash flood. In the pioneering era, before bridges were built, these often caused drowning fatalities.

See also

References

  1. 1 2 "Map of Light River, SA". Bonzle Digital Atlas of Australia. Retrieved 25 March 2017.
  2. 1 2 "untitled". Register. 18 July 1907. p. 6d.
  3. ↑ "untitled". Register. 17 March 1838. pp. 3–4.
  4. ↑ Elder, David (ed.). William Light’s Brief Journal and Australian Diaries. ISBN 0-949268-01-1.
  5. ↑ ‘’S.A. Government Gazette’’, 21 July 1842, p.5.
  6. ↑ For example, see ‘’S.A. Government Gazette’’, 5 August 1858.
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