NZ's South Island as seen from SQ 777 (21562497615)

The Canterbury Plains () are an area in New Zealand centred in the

Mid Canterbury Mid Canterbury (also spelt Mid-Canterbury and mid-Canterbury) is a traditional, semi-official subregion of New Zealand's Canterbury Region extending inland from the Pacific coast to the Southern Alps. It is one of four traditional sub-regions of C ...

, to the south of the city of

Christchurch Christchurch ( ; mi, Ōtautahi) is the largest city in the South Island of New Zealand and the seat of the Canterbury Region. Christchurch lies on the South Island's east coast, just north of Banks Peninsula on Pegasus Bay. The Avon River / ...

in the

Canterbury Canterbury (, ) is a City status in the United Kingdom, cathedral city and UNESCO World Heritage Site, situated in the heart of the City of Canterbury local government district of Kent, England. It lies on the River Stour, Kent, River Stour. ...

region. Their northern extremes are at the foot of the Hundalee Hills in the

Hurunui District Hurunui District is a territorial local government district within the Canterbury Region on the east coast of New Zealand's South Island, north of Christchurch. It stretches from the east coast to the Main Divide. Its land area is . Local gover ...

, and in the south they merge into the plains of

North Otago North Otago in New Zealand covers the area of Otago between Shag Point and the Waitaki River, and extends inland to the west as far as the village of Omarama (which has experienced rapid growth as a developing centre for astronomy and for glid ...

beyond the

Waitaki River The Waitaki River is a large braided river that drains the Mackenzie Basin and runs some south-east to enter the Pacific Ocean between Timaru and Oamaru on the east coast of the South Island of New Zealand. It starts at the confluence of the � ...

. The smaller

Amuri Plain The Amuri Plain (also known as the Amuri Basin) is the northernmost extension of New Zealand's Canterbury Plains. It lies between the Waiau Uwha River, Waiau Uwha and Hurunui Rivers and is centred on the town of Culverden. Other population centres ...

forms a northern extension of the plains.

Geology

The Canterbury Plains were formed from

Quaternary The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million years ...

moraine A moraine is any accumulation of unconsolidated debris (regolith and rock), sometimes referred to as glacial till, that occurs in both currently and formerly glaciated regions, and that has been previously carried along by a glacier or ice shee ...

gravels transported from the

Southern Alps The Southern Alps (; officially Southern Alps / Kā Tiritiri o te Moana) is a mountain range extending along much of the length of New Zealand's South Island, reaching its greatest elevations near the range's western side. The name "Southern ...

and deposited here during glacial periods in the late Pleistocene approximately 3 million to 10,000 years ago. The

alluvial Alluvium (from Latin ''alluvius'', from ''alluere'' 'to wash against') is loose clay, silt, sand, or gravel that has been deposited by running water in a stream bed, on a floodplain, in an alluvial fan or beach, or in similar settings. Alluv ...

gravels were then reworked as shingle fans of several of the larger rivers, notably the Waimakariri, the

Rakaia Rakaia is a town seated close to the southern banks of the Rakaia River on the Canterbury Plains in New Zealand's South Island, approximately 57 km south of Christchurch on State Highway 1 and the Main South Line. Immediately north of the ...

, the Selwyn / Waikirikiri, and the Rangitata. Part of the Canterbury-Otago tussock grasslands, the land is suitable for moderately intensive livestock farming but is prone to droughts, especially when the prevailing wind is from the northwest. At these times, the weather phenomenon known as the ''

Nor'west arch The Nor'west arch is a weather pattern peculiar to the east coast of New Zealand's South Island. For this reason, it is also often referred to as the Canterbury arch, although it is visible in both Otago and Marlborough as well as in the Canterbur ...

'' can be seen across much of the plain. A major earthquake on 4 September 2010 revealed a previously unknown geological fault beneath the Canterbury Plains and created a surface rift that offset features by as much as four metres in places.

Rivers

The rivers of the Canterbury Plains have a distinctive

braided Braided is a musical group consisting of Casey LeBlanc, Ashley Leitão, and Amber Fleury, who all competed on the third season of '' Canadian Idol'' in 2005. They are the third music group to come from an Idol show in the world, after Young Div ...

appearance, which differentiates this area from the plains of North Otago to the south – beyond the Waitaki, the rivers typically have narrower, well-formed channels, rather than spreading across wide shingle depressions, as in Canterbury. Most of the population of Canterbury lives in a series of large and small towns arranged northeast to southwest along the plains, connected by

State Highway 1 The following highways are numbered 1. For roads numbered A1, see list of A1 roads. For roads numbered B1, see list of B1 roads. For roads numbered M1, see List of M1 roads. For roads numbered N1, see list of N1 roads. For roads numbere ...

and the Main South railway line. These include

, Ashburton and

Timaru Timaru (; mi, Te Tihi-o-Maru) is a port city in the southern Canterbury Region of New Zealand, located southwest of Christchurch and about northeast of Dunedin on the eastern Pacific coast of the South Island. The Timaru urban area is home to ...

, and the smaller

Kaiapoi Kaiapoi is a town in the Waimakariri District of the Canterbury region, in the South Island of New Zealand. The town is located approximately 17 kilometres north of central Christchurch, close to the mouth of the Waimakariri River. It is con ...

Dunsandel Dunsandel is a small rural town in the Canterbury region of the South Island, New Zealand. The town is located on the Canterbury Plains just south of the Selwyn River / Waikirikiri and about 40 km south of Christchurch. Dunsandel is a ju ...

Temuka Temuka is a town on New Zealand's Canterbury Plains, 15 kilometres north of Timaru and 142 km south of Christchurch. It is located at the centre of a rich sheep and dairy farming region, for which it is a service town. It lies on the north ...

, and

Glenavy Glenavy () is a village and civil parish in County Antrim, Northern Ireland, 17 kilometres north west of Lisburn on the banks of the Glenavy River. In the 2011 Census it had a population of 5,697 people. In early documents it was known as Lena ...

. Other towns on the plains include

Rangiora Rangiora is the largest town and seat of the Waimakariri District, in Canterbury, New Zealand. It is north of Christchurch, and is part of the Christchurch metropolitan area. With an estimated population of Rangiora is the 30th largest urba ...

Leeston Leeston (Māori: ''Karumata'') is a town on the Canterbury Plains in the South Island of New Zealand. It is located 30 kilometres southwest of Christchurch, between the shore of Lake Ellesmere / Te Waihora and the mouth of the Rakaia River. The ...

Lincoln Lincoln most commonly refers to: * Abraham Lincoln (1809–1865), the sixteenth president of the United States * Lincoln, England, cathedral city and county town of Lincolnshire, England * Lincoln, Nebraska, the capital of Nebraska, U.S. * Lincol ...

, Darfield, Geraldine, Methven and

Waimate Waimate is a town in Canterbury, New Zealand and the seat of Waimate District. It is situated just inland from the eastern coast of the South Island. The town is reached via a short detour west when travelling on State Highway One, the main No ...

Fauna

The extremely rare weevil ''

Hadramphus tuberculatus ''Hadramphus tuberculatus'' (known as the Canterbury knobbled weevil, Spaniard weevil or Banks Peninsula speargrass weevil) is a rare weevil endemic to Canterbury in the South Island of New Zealand. It was thought to be extinct in 1922 but was ...

'' is endemic to the plains.

References

{{Coord, -43.64, 172.09, region:NZ-CAN_type:landmark_scale:300000, display=title Plains of New Zealand Wine regions of New Zealand Landforms of Canterbury, New Zealand