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Thomson
Thomson
	Longreach, 1938
	Map of the Lake Eyre Basin showing Thomson River
Etymology	Sir Edward Deas Thomson KCMG, CMG
Location
Country	Australia
State	Queensland
Region	Central West Queensland, Western Queensland
City	Longreach
Physical characteristics
Source	Alma Range, Great Dividing Range
• location	north of Muttaburra
• elevation	215 m (705 ft)
Mouth	confluence with the Barcoo River to form Cooper Creek
• coordinates	25°10′2″S 142°53′24″E / 25.16722°S 142.89000°E
• elevation	130 m (430 ft)
Length	350 km (220 mi)
Basin features
River system	Lake Eyre Basin
Tributaries
• right	Landsborough Creek, Darr River

The Thomson River is a perennial river that forms part of the Lake Eyre Basin, situated in the central west and western regions of Queensland, Australia. Much of the course of the river comprises a series of narrow channels synonymous with the Channel Country and the Galilee subregion.^[2]

The river was named in 1847 by the explorer, Edmund Kennedy, in honour of The Hon. Sir Edward Deas Thomson KCMG, CMG, the Colonial Secretary of New South Wales at the time of discovery.^[3]^[4]

History

Kuungkari (also known as Kungkari and Koonkerri) is a language of Western Queensland. The Kuungkari language region includes the landscape within the local government boundaries of Longreach Shire Council and Blackall-Tambo Shire Council.^[5]

Course and features

Draining the Alma Range, part of the western slopes of the Great Dividing Range, the northernmost headwaters of the river begin as Torrens Creek, inland from Charters Towers. The watercourse becomes the Thomson just north of the town of Muttaburra, where the channels of Landsborough River, Towerhill Creek and Cornish Creek meet. Aramac Creek joins the river from the east, at Camoola south of Muttaburra and Maneroo Creek flows from the west, joining the Thomson south of Longreach. Just to the west of Longreach the river is crossed by the Landsborough Highway.

The river continues in a south westerly direction, passing the towns of Longreach, Stonehenge and Jundah, before reaching its confluence with the Barcoo River, 40 km north of Windorah, to form Cooper Creek.^[6] This is the only place in the world where the confluence of two rivers form a creek.^{[citation needed]} From source to mouth, the Thomson is joined by 41 named tributaries over its 350 km (210 miles) course.^[1]

As with all of the rivers in the Lake Eyre Basin, the waters of the Thomson never reach the sea, and instead either evaporate, or, in exceptional flood, empty into Lake Eyre. Floods are relatively common within the catchment because of the summer monsoon rains.^[7] Due to the flat nature of the country traversed, the river can then become many kilometres wide. For much of the time, however, the river does not flow, and becomes a line of billabongs,^[6] of which fifteen are named.^[1]

The area through which the river flows is semi-arid blacksoil plains. The main industries of the area are sheep and beef cattle.^[4]