The Western Upland is a

geographical Geography (from Greek: , ''geographia''. Combination of Greek words ‘Geo’ (The Earth) and ‘Graphien’ (to describe), literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, and ...

region In geography, regions, otherwise referred to as zones, lands or territories, are areas that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and the interaction of humanity and t ...

covering much of the western half of the

U.S. The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

state of

Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...

. It stretches from southern

Polk County, Wisconsin Polk County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 44,977. Its county seat is Balsam Lake. The county was created in 1853. Geography According to the U.S. Census Bureau, the county has an ar ...

in the north to the state border with

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

in the south, and from Rock County in the east to the

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...

in the west. Wisconsin's Western Upland is a rugged, hilly region deeply dissected by

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

s and

stream A stream is a continuous body of water, body of surface water Current (stream), flowing within the stream bed, bed and bank (geography), banks of a channel (geography), channel. Depending on its location or certain characteristics, a stream ...

s. The area is characterized by rocky outcroppings and numerous small

cave A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground. The word ''cave'' can refer to smaller openings such as sea ...

s, as well as sharp and frequent changes in

altitude Altitude or height (also sometimes known as depth) is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The exact definition and reference datum varies according to the context ...

. The

elevation The elevation of a geographic location is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface (see Geodetic datum § Vert ...

in the region ranges from about 600 feet above

sea level Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardised g ...

in the Mississippi River

Valley A valley is an elongated low area often running between Hill, hills or Mountain, mountains, which will typically contain a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers ...

to more than 1,700 feet above sea level at

Blue Mound State Park Blue Mound State Park is a state park in Wisconsin, United States, located atop the largest hill in the southern half of the state, near the village of Blue Mounds, Wisconsin, Blue Mounds. The park features a pair of observation towers affording ...

, in Iowa County. The Mississippi,

, Kickapoo,

Black Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white have o ...

, and Chippewa rivers all carve deep

gorge A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tenden ...

s through the upland. Even most small creeks and streams have

coulee Coulee, or coulée ( or ) is a term applied rather loosely to different landforms, all of which refer to a kind of valley or drainage zone. The word ''coulee'' comes from the Canadian French ''coulée'', from French ''couler'' 'to flow'. The ...

s penetrating some two to three hundred feet deeper than the surrounding land. Meanwhile, highlands like

Military Ridge A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct ...

, the

Baraboo Range The Baraboo Range is a syncline located in Columbia and Sauk Counties, Wisconsin. It consists of highly eroded Precambrian metamorphic rock. It is about long and varies from 5 to in width. The Wisconsin River, previously traveling in a north ...

, and a host of unnamed ridges have elevations that are in excess of 1,200 feet above sea level. Before the last

ice age An ice age is a long period of reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages and gree ...

, most of the land in the northern United States was similar to the land of today’s Western Upland, with rugged ridges and valleys. But as

glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its Ablation#Glaciology, ablation over many years, often Century, centuries. It acquires dis ...

s came to cover the

continent A continent is any of several large landmasses. Generally identified by convention rather than any strict criteria, up to seven geographical regions are commonly regarded as continents. Ordered from largest in area to smallest, these seven ...

, they toppled the ridges and filled in the valleys, creating smooth plains. The Western Upland of Wisconsin is part of the

Driftless Area The Driftless Area, a topographical and cultural region in the American Midwest, comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. Never covered by ice during the last ...

, a region that has avoided being covered by glaciers for the past several million years. This explains why the region has retained its rugged landscape.

Farmland Agricultural land is typically land ''devoted to'' agriculture, the systematic and controlled use of other forms of lifeparticularly the rearing of livestock and production of cropsto produce food for humans. It is generally synonymous with bot ...

is prevalent in the Western Upland anywhere where the slope of the land is gradual enough to permit it, generally on the ridge tops and the valley bottoms. Both fields and pastureland are common in the region. The hillsides and narrow ravines that are unsuitable for

agriculture Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to ...

are covered in

forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...

Oak An oak is a tree or shrub in the genus ''Quercus'' (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably ''L ...

hickory Hickory is a common name for trees composing the genus ''Carya'', which includes around 18 species. Five or six species are native to China, Indochina, and India (Assam), as many as twelve are native to the United States, four are found in Mexi ...

maple ''Acer'' () is a genus of trees and shrubs commonly known as maples. The genus is placed in the family Sapindaceae.Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 nd more or less continuously updated since http ...

, and

birch A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae. The genus ''Betula'' contains 30 ...

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

s dominate the woodlands of the Western Upland. Several small

cities A city is a human settlement of notable size.Goodall, B. (1987) ''The Penguin Dictionary of Human Geography''. London: Penguin.Kuper, A. and Kuper, J., eds (1996) ''The Social Science Encyclopedia''. 2nd edition. London: Routledge. It can be def ...

are scattered along the ridges and valleys. With a population of 59,498, the largest city in the Western Upland is Janesville in the extreme southeast corner of the region.

La Crosse La Crosse is a city in the U.S. state of Wisconsin and the county seat of La Crosse County, Wisconsin, La Crosse County. Positioned alongside the Mississippi River, La Crosse is the largest city on Wisconsin's western border. La Crosse's populat ...

, with a population of 51,818, occupies a more central position along the Mississippi River. Other principal cities include Beloit, Monroe, Platteville, Dodgeville, Richland Center,

Prairie du Chien Prairie du Chien () is a city in and the county seat of Crawford County, Wisconsin, United States. The population was 5,506 at the 2020 census. Its ZIP Code is 53821. Often referred to as Wisconsin's second oldest city, Prairie du Chien was esta ...

, and

Sparta Sparta ( Doric Greek: Σπάρτα, ''Spártā''; Attic Greek: Σπάρτη, ''Spártē'') was a prominent city-state in Laconia, in ancient Greece. In antiquity, the city-state was known as Lacedaemon (, ), while the name Sparta referre ...

Counties in the Western Upland

Part or all of the land in the following counties is included in the Western Upland of Wisconsin: * Buffalo County *

Crawford County Crawford County is the name of eleven counties in the United States: * Crawford County, Arkansas * Crawford County, Georgia * Crawford County, Illinois * Crawford County, Indiana * Crawford County, Iowa * Crawford County, Kansas * Crawford County, ...

Dane County Dane County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 561,504, making it the second-most populous county in Wisconsin. The county seat is Madison, which is also the state capital. Dane County is the ...

* Eau Claire County *

Grant County Grant County may refer to: Places ;Australia * County of Grant, Victoria ;United States *Grant County, Arkansas *Grant County, Indiana *Grant County, Kansas *Grant County, Kentucky *Grant County, Minnesota *Grant County, Nebraska *Grant Co ...

* Green County * Iowa County * Jackson County * Juneau County *

La Crosse County La Crosse County is a county located in the U.S. state of Wisconsin. At the 2020 census, the population was 120,784. Its county seat is La Crosse. La Crosse County is included in the La Crosse-Onalaska, WI-MN Metropolitan Statistical Area with ...

* Lafayette County *

Monroe County Monroe County may refer to seventeen counties in the United States, all named for James Monroe: * Monroe County, Alabama *Monroe County, Arkansas * Monroe County, Florida * Monroe County, Georgia *Monroe County, Illinois *Monroe County, Indian ...

* Pepin County * Pierce County *

Polk County Polk County is the name of twelve counties in the United States, all except two named after president of the United States James Knox Polk: * Polk County, Arkansas * Polk County, Florida * Polk County, Georgia * Polk County, Iowa * Polk Count ...

* Richland County * Rock County *

Sauk County Sauk County is a county in Wisconsin. It is named after a large village of the Sauk people. As of the 2020 census, the population was 65,763. Its county seat and largest city is Baraboo. The county was created in 1840 from Wisconsin Territory a ...

* St. Croix County *

Trempealeau County Trempealeau County (, ) is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 30,760. Its county seat is Whitehall. Many people of Hispanic, Polish, Norwegian and German descent live in this area. History Patche ...

* Vernon County

References

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