The Berkshires () are
highland
Highlands or uplands are areas of high elevation such as a mountainous region, elevated mountainous plateau or high hills. Generally, ''upland'' refers to a range of hills, typically from up to , while ''highland'' is usually reserved for range ...
s located in western
Massachusetts
Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...
and northwestern
Connecticut
Connecticut ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the south. ...
in the United States. Generally, "Berkshires" may refer to the range of hills in Massachusetts that lie between the
Housatonic and
Connecticut River
The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for through four states. It rises 300 yards (270 m) south of the U.S. border with Quebec, Canada, and discharges into Long Isl ...
s.
Highlands of northwest Connecticut may be seen as part of the Berkshires and sometimes called the
Northwest Hills or Litchfield Hills. The segment of the
Taconic Mountains in Massachusetts is often considered a part of the Berkshires, although they are geologically separate and are a comparatively narrow range along New York's eastern border.
Also referred to as the Berkshire Highlands, Berkshire Hills, Berkshire Mountains, and Berkshire Plateau, the region enjoys a vibrant tourism industry based on music, arts, and recreation. Geologically, the mountains are a
subrange of the
Appalachian Mountains
The Appalachian Mountains, often called the Appalachians, are a mountain range in eastern to northeastern North America. The term "Appalachian" refers to several different regions associated with the mountain range, and its surrounding terrain ...
.
The Berkshires were named among the 12 Last Great Places by
The Nature Conservancy
The Nature Conservancy (TNC) is a global environmental organization headquartered in Arlington, Virginia, United States. it works via affiliates or branches in 79 countries and territories, as well as across every state in the US.
Founded in ...
.
Definition
The term "The Berkshires" has overlapping but non-identical political, cultural, and geographic definitions.
Political
Politically,
Berkshire County, Massachusetts
Berkshire County (pronounced ) is the Western Massachusetts, westernmost County (United States), county in the U.S. state, U.S. state of Massachusetts. As of the 2020 United States census, 2020 census, the population was 129,026. Its la ...
, was formed as a governmental unit in 1761. It includes the western extremity of the state, with its western boundary bordering
New York
New York most commonly refers to:
* New York (state), a state in the northeastern United States
* New York City, the most populous city in the United States, located in the state of New York
New York may also refer to:
Places United Kingdom
* ...
and its eastern boundary roughly paralleling the watershed divide separating the
Connecticut River
The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for through four states. It rises 300 yards (270 m) south of the U.S. border with Quebec, Canada, and discharges into Long Isl ...
watershed from the
Housatonic River
The Housatonic River ( ) is a river, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 in western Massachusetts and western Connecticut in the United ...
and
Hoosic River
The Hoosic River, also known as the Hoosac, the Hoosick (primarily in New York) and the Hoosuck (mostly archaic), is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed October 3, 2011 tr ...
watersheds. However, like most other counties in Massachusetts, the active governmental role of Berkshire County has been abolished, so has no legal or governmental function.
Cultural

Culturally, the term "Berkshires" includes all of the highland region in western Massachusetts west of the Connecticut River and lower
Westfield River. The cultural region also includes the
Taconic Mountains bordering New York, which are geologically distinct from the Berkshires orogeny. Southwest Vermont and the Taconic region of New York are occasionally grouped with the Berkshires cultural region.
Sir Francis Bernard, the royal
governor
A governor is an politician, administrative leader and head of a polity or Region#Political regions, political region, in some cases, such as governor-general, governors-general, as the head of a state's official representative. Depending on the ...
(in office 1760–1769), named the area "Berkshire" to honor
his home county in England. In the present, the name of the modern American region is pronounced differently (
BERK''-sheer, -shər'') to the modern English County (
''BARK-sheer, -shər'').
Geographic

Geologically and physically, the Berkshires are the southern continuation of the
Green Mountains
The Green Mountains are a mountain range in the U.S. state of Vermont and are a subrange of the Appalachian Mountains. The range runs primarily south to north and extends approximately from the border with Massachusetts to the border with Que ...
of
Vermont
Vermont () is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, New Hampshire to the east, New York (state), New York to the west, and the Provinces and territories of Ca ...
, distinct from them only by their lower average elevation and by virtue of what side of the border they fall on. In physical geography, the Berkshires extend from the
Housatonic River
The Housatonic River ( ) is a river, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 in western Massachusetts and western Connecticut in the United ...
and
Hoosic River
The Hoosic River, also known as the Hoosac, the Hoosick (primarily in New York) and the Hoosuck (mostly archaic), is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed October 3, 2011 tr ...
valleys in western Massachusetts, to the
Connecticut River
The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for through four states. It rises 300 yards (270 m) south of the U.S. border with Quebec, Canada, and discharges into Long Isl ...
valley in north-central Massachusetts, and to the foot of the lower Westfield River valley in south-central Massachusetts. In Connecticut, where they are referred to as the Litchfield Hills, they extend east from the upper Housatonic River valley in the northwest part of the state.
Geologically, the Berkshires are bordered on the west by the
Taconic Mountains, the south by the
Hudson Highlands
The Hudson Highlands are mountains on both sides of the Hudson River in New York (state), New York state lying primarily in Putnam County, New York, Putnam County on its east bank and Orange County, New York, Orange County on its west. They conti ...
, and to the east, they are bordered by the
Metacomet Ridge. They are on the average lower and less prominent than the Green Mountains of Vermont, and form a broad,
dissected plateau
A dissected plateau is a plateau area that has been severely eroded, and the relief is sharp. Such an area may be referred to as mountainous, but dissected plateaus are distinguishable from orogenic mountain belts by the lack of fold (geology), ...
punctuated by hills and peaks and cut by river valleys. The Berkshires topography gradually diminishes in profile and elevation from west to east and from north to south, except where rivers have cut deep gorges and sharp bluff faces into the Berkshire plateau.
Formation
The Berkshires and related Green Mountains formed over half a billion years ago when
Africa
Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...
collided with
North America
North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
, pushing up the
Appalachian Mountains
The Appalachian Mountains, often called the Appalachians, are a mountain range in eastern to northeastern North America. The term "Appalachian" refers to several different regions associated with the mountain range, and its surrounding terrain ...
and forming the
bedrock
In geology, bedrock is solid rock that lies under loose material ( regolith) within the crust of Earth or another terrestrial planet.
Definition
Bedrock is the solid rock that underlies looser surface material. An exposed portion of bed ...
of the Berkshires. Erosion over hundreds of millions of years wore these mountains down to the hills that we see today.
Elevation
The average regional elevation of the Berkshires ranges from about . One of the high points is Spruce Mountain, at . The highest point in the Berkshires is
Mount Greylock, at .
Rivers
The Housatonic River, Hoosic River,
Westfield River, and
Deerfield River watersheds drain the Berkshire region in Massachusetts; in Connecticut the main river drainages are the
Farmington River, the
Naugatuck River
The Naugatuck River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 river in the U.S. state of Connecticut. Its waters carve out the Naugatuck River Valley in the w ...
, the
Shepaug River, and the
Housatonic River
The Housatonic River ( ) is a river, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 in western Massachusetts and western Connecticut in the United ...
.
Counties
The Berkshire hills run through:
*
Berkshire County, Massachusetts
Berkshire County (pronounced ) is the Western Massachusetts, westernmost County (United States), county in the U.S. state, U.S. state of Massachusetts. As of the 2020 United States census, 2020 census, the population was 129,026. Its la ...
(far Western Massachusetts)
*
Hartford County, Connecticut
Hartford County is a county located in the north central part of the U.S. state of Connecticut. According to the 2020 census, the population was 899,498, making it the second-most populous county in Connecticut. Hartford County contains t ...
(Hartland, Granby)
*
Franklin County, Massachusetts
Franklin County is a nongovernmental county in the northwestern part of the U.S. state of Massachusetts. At the 2020 census, the population was 71,029, which made it the least populous county on the Massachusetts mainland, and the third leas ...
(Leyden, Colrain, Shelburne, Conway, Charlemont, Heath, Buckland, Hawley, Ashfield, Rowe, Monroe)
*
Hampden County, Massachusetts
Hampden County is a non-governmental county located in the Pioneer Valley of the U.S. state of Massachusetts, in the United States. As of the 2020 census, Hampden County's population was 465,825. Its traditional county seat is Springfield, ...
(Tolland, Chester, Granville, Blandford, Russell, Montgomery)
*
Hampshire County, Massachusetts
Hampshire County is a historical and judicial county located in the U.S. state of Massachusetts. As of the 2020 census, the population was 162,308. Its most populous municipality is Amherst (due to seasonal student population; the largest y ...
(Chesterfield, Goshen, Williamsburg, Westhampton, Huntington, Worthington, Cummington, Middlefield, Plainfield)
*
Litchfield County, Connecticut
Litchfield County is a County (United States), county in northwestern Connecticut, United States. As of the 2020 United States census, 2020 census, the population was 185,186. The county was named after Lichfield, in England. Litchfield Count ...
(County South of Massachusetts border.)
Municipalities
The largest municipalities associated with the Berkshires cultural region include
Pittsfield,
North Adams,
Great Barrington,
Williamstown,
Stockbridge,
Lee, and
Lenox, Massachusetts
Lenox is a town in Berkshire County, Massachusetts, United States. The town is in Western Massachusetts and part of the Pittsfield, Massachusetts, Pittsfield Metropolitan Statistical Area. The population was 5,095 at the 2020 United States census ...
.
History
During the
American Revolution
The American Revolution (1765–1783) was a colonial rebellion and war of independence in which the Thirteen Colonies broke from British America, British rule to form the United States of America. The revolution culminated in the American ...
a
Continental Army
The Continental Army was the army of the United Colonies representing the Thirteen Colonies and later the United States during the American Revolutionary War. It was formed on June 14, 1775, by a resolution passed by the Second Continental Co ...
force under
Henry Knox
Henry Knox (July 25, 1750 – October 25, 1806) was an American military officer, politician, bookseller, and a Founding Father of the United States. Knox, born in Boston, became a senior general of the Continental Army during the Revolutionar ...
brought captured cannons from
Fort Ticonderoga
Fort Ticonderoga (), formerly Fort Carillon, is a large 18th-century star fort built by the French at a narrows near the south end of Lake Champlain in northern New York. It was constructed between October 1755 and 1757 by French-Canadian ...
by ox-drawn sleds south along the west bank of the
Hudson River
The Hudson River, historically the North River, is a river that flows from north to south largely through eastern New York (state), New York state. It originates in the Adirondack Mountains at Henderson Lake (New York), Henderson Lake in the ...
from the fort to
Albany, where he then crossed the Hudson. Knox and his men continued east through the Berkshires and finally arrived in
Boston
Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...
. This feat, known as the "
Noble train of artillery
The noble train of artillery, also known as the Knox Expedition, was an expedition led by Continental Army Colonel Henry Knox to transport heavy weaponry that had been Capture of Fort Ticonderoga, captured at Fort Ticonderoga to the Continental ...
", was accomplished in the dead of winter, 1775–1776.
The Berkshires is also home to
Hancock Shaker Village, which is the oldest continuously working farm in the Berkshires of Western Massachusetts. Hancock Shaker Village is a landmark destination of , 20 historic Shaker buildings, and over 22,000 Shaker artifacts. On the National Historic Register, it is one of the most comprehensively interpreted Shaker sites in the world.
Ecology

The Berkshires lie within the
New England/Acadian forests
New or NEW may refer to:
Music
* New, singer of K-pop group The Boyz
* ''New'' (album), by Paul McCartney, 2013
** "New" (Paul McCartney song), 2013
* ''New'' (EP), by Regurgitator, 1995
* "New" (Daya song), 2017
* "New" (No Doubt song), 1 ...
ecoregion
An ecoregion (ecological region) is an ecological and geographic area that exists on multiple different levels, defined by type, quality, and quantity of environmental resources. Ecoregions cover relatively large areas of land or water, and c ...
.
Similarly, the
U.S. Environmental Protection Agency in Massachusetts (Griffith et al. 1994) has defined six ecoregions within this area: Taconic Mountains, Western New England Marble Valleys, Lower Berkshire Hills, Berkshire Highlands, Vermont Piedmont, and Berkshire Transition. Each region is distinct from the others, providing a unique habitat assemblage.
Much of the Hoosic and Housatonic River valleys have underlying bedrock
limestone
Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...
and
marble
Marble is a metamorphic rock consisting of carbonate minerals (most commonly calcite (CaCO3) or Dolomite (mineral), dolomite (CaMg(CO3)2) that have recrystallized under the influence of heat and pressure. It has a crystalline texture, and is ty ...
which contribute to calcareous wetlands unique in Massachusetts. The alkaline
pH waters support a diversity of plants and animals intolerant of more acidic waters, some of which are state-listed rare or endangered. Combined with the rich
mesic forests ranging from the
northern hardwood to the
taiga
Taiga or tayga ( ; , ), also known as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces, and larches. The taiga, or boreal forest, is the world's largest land biome. In North A ...
or sub-alpine, the Berkshires have a valuable, biologically diverse ecosystem.
The classic study of the vegetation of the Berkshire Highlands was Egler's 1940 monograph, covering the flora of an area stretching roughly from
Pittsfield, Massachusetts
Pittsfield is the most populous city and the county seat of Berkshire County, Massachusetts, United States. It is the principal city of the Pittsfield, Massachusetts Metropolitan Statistical Area which encompasses all of Berkshire County. Pittsfi ...
, in the west to
Hatfield, Massachusetts
Hatfield is a town in Hampshire County, Massachusetts, United States. The population was 3,352 at the 2020 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. The census-designated place of Hatfield consists o ...
, in the east, and from
Goshen, Connecticut, in the south to the
Vermont
Vermont () is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, New Hampshire to the east, New York (state), New York to the west, and the Provinces and territories of Ca ...
border in the north.
Today, many organizations are making efforts to preserve and manage this region for biological diversity and sustainable human development.
Tourism
The Berkshires have numerous shops, motels, hotels, museums, and trails, including part of the
Appalachian Trail
The Appalachian Trail, also called the A.T., is a hiking trail in the Eastern United States, extending almost between Springer Mountain in Georgia and Mount Katahdin in Maine, and passing through 14 states.Gailey, Chris (2006)"Appalachian Tra ...
, large tracts of wilderness and parks
Berkshire Botanical Garden and
Hebert Arboretum The area includes
Bash Bish Falls, the tallest waterfall in Massachusetts.
The Berkshire region is noted as a center for the visual and performing arts, many institutions which are associated with
Williams College
Williams College is a Private college, private liberal arts colleges in the United States, liberal arts college in Williamstown, Massachusetts, United States. It was established as a men's college in 1793 with funds from the estate of Ephraim ...
. The art museums include the
Norman Rockwell Museum, the
Clark Art Institute
The Sterling and Francine Clark Art Institute, commonly referred to as the Clark, is an art museum and research institution located in Williamstown, Massachusetts, Williamstown, Massachusetts, United States. Its collection consists of European ...
, the
Massachusetts Museum of Contemporary Art
The Massachusetts Museum of Contemporary Art (MASS MoCA) is a museum in a converted Arnold Print Works factory building complex located in North Adams, Massachusetts. It is one of the largest centers for contemporary visual art and performing ...
(Mass MoCA),
Berkshire Museum, Hancock Shaker Village, and the
Williams College Museum of Art (WCMA). Performing-arts institutions in the Berkshires include
Tanglewood Music Center and
Boston University Tanglewood Institute in
Lenox, the summer home of the
Boston Symphony Orchestra
The Boston Symphony Orchestra (BSO) is an American orchestra based in Boston. It is the second-oldest of the five major American symphony orchestras commonly referred to as the "Big Five (orchestras), Big Five". Founded by Henry Lee Higginson in ...
; the
Bang on a Can Summer Festival for contemporary music in
North Adams;
Shakespeare & Company in Lenox;
summer stock theatre festivals such as the Williamstown Theatre Festival in
Williamstown,
Barrington Stage Company in
Pittsfield, the Berkshire Theatre Festival in
Stockbridge, and Berkshire Playwrights Lab in
Great Barrington;
and America's first and longest-running dance festival,
Jacob's Pillow
Jacob's Pillow is a Dance studio, dance center, school and performance space located in Becket, Massachusetts, in the Berkshires. The facility itself was listed as a National Historic Landmark District in 2003.
History
The site of Jacob's Pi ...
, in the town of
Becket.
See also
*
BerkShares
BerkShares is a local currency that circulates in The Berkshires region of Massachusetts. It was launched on September 29, 2006 by BerkShares Inc., with research and development assistance from the Schumacher Center for a New Economics. The Ber ...
*
Berkshire County
*
Berkshire
Berkshire ( ; abbreviated ), officially the Royal County of Berkshire, is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Oxfordshire to the north, Buckinghamshire to the north-east, Greater London ...
, England
* Famous
Berkshire Cottages:
**
Edith Wharton
Edith Newbold Wharton (; ; January 24, 1862 – August 11, 1937) was an American writer and designer. Wharton drew upon her insider's knowledge of the upper-class New York "aristocracy" to portray, realistically, the lives and morals of the Gil ...
's
The Mount
**
Naumkeag
**
Ventfort Hall Mansion and Gilded Age Museum
*
Geography of Massachusetts
*
List of mountains in Massachusetts
*
List of subranges of the Appalachian Mountains
*
Litchfield Hills
*
Massachusetts College of Liberal Arts
The Massachusetts College of Liberal Arts (MCLA) formerly known as North Adams State College (NASC) is a Public college, public Liberal arts colleges in the United States, liberal arts college in North Adams, Massachusetts. It is part of the stat ...
*
Taconic Mountains
*
Williams College
Williams College is a Private college, private liberal arts colleges in the United States, liberal arts college in Williamstown, Massachusetts, United States. It was established as a men's college in 1793 with funds from the estate of Ephraim ...
References
External links
Berkshire Visitors Bureau
{{DEFAULTSORT:Berkshires, The
Subranges of the Appalachian Mountains
Mountain ranges of Connecticut
Mountain ranges of Massachusetts
Landforms of Litchfield County, Connecticut
Landforms of Berkshire County, Massachusetts
Regions of Connecticut
Regions of Massachusetts
Tourist attractions in Litchfield County, Connecticut
Tourist attractions in Berkshire County, Massachusetts