Blue Mountain, Blue Mountain Ridge, or the Blue Mountains of Pennsylvania, is a ridge of the

Appalachian Mountains The Appalachian Mountains, often called the Appalachians, (french: Appalaches), are a system of mountains in eastern to northeastern North America. The Appalachians first formed roughly 480 million years ago during the Ordovician Period. They ...

in eastern

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

. Forming the southern and eastern edge of the

Ridge-and-Valley Appalachians The Ridge-and-Valley Appalachians, also called the Ridge and Valley Province or the Valley and Ridge Appalachians, are a physiographic province of the larger Appalachian division and are also a belt within the Appalachian Mountains extending ...

physiographic province in Pennsylvania, Blue Mountain extends from the

Delaware Water Gap Delaware Water Gap is a water gap on the border of the U.S. states of New Jersey and Pennsylvania where the Delaware River cuts through a large ridge of the Appalachian Mountains. The gap makes up the southern portion of the Delaware Water Gap ...

on the

New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware ...

border in the east to Big Gap in Franklin County in south-central Pennsylvania at its southwestern end. Views of Blue Mountain dominate the southern tier of most eastern and central Pennsylvanian counties, providing an ever-visible backdrop cutting across the northern or western horizon. Most transport corridors and road beds piercing the barrier necessarily pass through either large

water gap A water gap is a gap that flowing water has carved through a mountain range or mountain ridge and that still carries water today. Such gaps that no longer carry water currents are called wind gaps. Water gaps and wind gaps often offer a prac ...

s (west to east: the Susquehanna, Schuylkill, Lehigh and

Delaware River The Delaware River is a major river in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. From the meeting of its branches in Hancock (village), New York, Hancock, New York, the river flows for along the borders of N ...

valleys) or

wind gap A wind gap (or air gap) is a gap through which a waterway once flowed that is now dry as a result of stream capture. A water gap is a similar feature, but one in which a waterway still flows. Water gaps and wind gaps often provide routes which ...

s, low gaps in the ridge caused by ancient watercourses. The

barrier ridge The terms barrier ridge, a term of art in the earth sciences, especially geology and sometimes barrier range (more common as a geography term) describing the existence of gross landforms describing long ridgelines which are particularly difficu ...

forms a distinct boundary between a number of Pennsylvania's geographical and cultural regions. To the south of the

Susquehanna River The Susquehanna River (; Lenape: Siskëwahane) is a major river located in the Mid-Atlantic region of the United States, overlapping between the lower Northeast and the Upland South. At long, it is the longest river on the East Coast of the ...

gap in the south-central part of the state is the

Cumberland Valley The Cumberland Valley is a northern constituent valley of the Great Appalachian Valley, within the Atlantic Seaboard watershed in Pennsylvania and Maryland. The Appalachian Trail crosses through the valley. Geography The valley is bound to ...

, part of the

Great Appalachian Valley The Great Appalachian Valley, also called The Great Valley or Great Valley Region, is one of the major landform features of eastern North America. It is a gigantic trough—a chain of valley lowlands—and the central feature of the Appalachian M ...

; to its northwest side are the southern reaches of the

Susquehanna Valley The Susquehanna Valley is a region of low-lying land that borders the Susquehanna River in the United States, U.S. states of New York (state), New York, Pennsylvania, and Maryland. The valley consists of areas that lie along the main branch o ...

with picturesque streams channeling travel corridors deep into and over the central and western mountains and valleys—the heartland interior counties of Pennsylvania; along the

Main Branch Susquehanna The Susquehanna River (; Lenape: Siskëwahane) is a major river located in the Mid-Atlantic region of the United States, overlapping between the lower Northeast and the Upland South. At long, it is the longest river on the East Coast of the Uni ...

, the valleys also lead into the

Coal Region The Coal Region is a region of Northeastern Pennsylvania. It is known for being home to the largest known deposits of anthracite, anthracite coal in the world with an estimated reserve of seven billion short tons. The region is typically define ...

of northeast Pennsylvania, the

Wyoming Valley The Wyoming Valley is a historic industrialized region of Northeastern Pennsylvania. The region is historically notable for its influence in helping fuel the American Industrial Revolution with its many anthracite coal-mines. As a metropolitan are ...

, and the distant Poconos. To the south of Blue Mountain lies the

Capital Region A capital region, also called a capital district or capital territory, is a region or district surrounding a capital city. It is not always the official term for the region, but may sometimes be used as an informal synonym. Capital regions can exis ...

Harrisburg Harrisburg is the capital city of the Pennsylvania, Commonwealth of Pennsylvania, United States, and the county seat of Dauphin County, Pennsylvania, Dauphin County. With a population of 50,135 as of the 2021 census, Harrisburg is the List of c ...

and nearby communities, the rich farming country of the Lebanon Valley and

Pennsylvania Dutch Country The Pennsylvania Dutch Country ( Pennsylvania Dutch: ''Deitscherei'' Dutchery', also called Pennsylvania Dutchland ( Pennsylvania Dutch: ''Pennsylvania Deitschland'', german: Pennsylvania Deutschland), or simply the Dutch Country or Dutchland ( ...

York York is a cathedral city with Roman origins, sited at the confluence of the rivers Ouse and Foss in North Yorkshire, England. It is the historic county town of Yorkshire. The city has many historic buildings and other structures, such as a ...

and Lancaster counties, the lower half of the

Lehigh Valley The Lehigh Valley (), known colloquially as The Valley, is a geographic region formed by the Lehigh River in Lehigh County and Northampton County in eastern Pennsylvania. It is a component valley of the Great Appalachian Valley bound to the no ...

, and the lower

Delaware Valley The Delaware Valley is a metropolitan region on the East Coast of the United States that comprises and surrounds Philadelphia, the sixth most populous city in the nation and 68th largest city in the world as of 2020. The toponym Delaware Val ...

; the latter two extend north through water gaps beyond the ridgeline.

Geography

The ridge of Blue Mountain runs for through

, reaching an elevation of above sea level just north of the

Pennsylvania Turnpike The Pennsylvania Turnpike (Penna Turnpike or PA Turnpike) is a toll highway operated by the Pennsylvania Turnpike Commission (PTC) in the U.S. state of Pennsylvania. A controlled-access highway, it runs for across the state. The turnpike's we ...

, near the borough of Newburg. Most of the ridgecrest, however, only reaches between in elevation. The mountain's width varies from . The southwestern end of the mountain is at Big Gap, west of Shippensburg. The mountain ridge continues to the southwest toward

Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...

as Broad Mountain. The northeastern end of the mountain is at the

on the

border.

Mount Minsi Mount Minsi forms the Pennsylvania side of the Delaware Water Gap, and is the eastern extent of the Blue Mountain. It is composed of sandstone and conglomerates of the Shawangunk Formation. Hiking The easiest route to the summit of Minsi is ...

, elevation , forms the promontory overlooking the

. The ridge of Blue Mountain continues northeast into New Jersey as

Kittatinny Mountain Kittatinny Mountain (Lenape: Kitahtëne) is a long ridge traversing primarily across Sussex County in northwestern New Jersey, running in a northeast-southwest axis, a continuation across the Delaware Water Gap of Pennsylvania's Blue Mountain ...

U.S. Geological Survey The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and ...

1:24,000-scale and 1:250,000-scale

topographic map In modern mapping, a topographic map or topographic sheet is a type of map characterized by large- scale detail and quantitative representation of relief features, usually using contour lines (connecting points of equal elevation), but historic ...

series Blue Mountain marks the boundary between the

and the main

Water gaps

Four of Pennsylvania's major rivers cut through Blue Mountain in

s: * The

, which forms Pennsylvania's eastern border with New Jersey, passes through the ridge just southeast of

Stroudsburg Stroudsburg is a borough (Pennsylvania), borough in Monroe County, Pennsylvania, Monroe County, Pennsylvania. It lies within the Pocono Mountains, Poconos region, approximately five miles (8 km) from the Delaware Water Gap at the confluence ...

. * The

Lehigh River The Lehigh River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 tributary of the Delaware River in eastern Pennsylvania. The river flows in a generally southward pat ...

, which feeds the Delaware at Easton, passes through the

Lehigh Gap The Lehigh Gap or Lehigh Water Gap is a water gap located in the townships of Lehigh, Washington, Lower Towamensing and East Penn in the Lehigh Valley region of eastern Pennsylvania. It was formed by the Lehigh River where it cuts through the ...

at the ridge near

Palmerton Palmerton is a borough in Carbon County, Pennsylvania, United States. It is part of Northeastern Pennsylvania. The borough's population was 5,414 at the 2010 census. Palmerton is located northwest of Allentown and northwest of Philadelphia. ...

. * The

Schuylkill River The Schuylkill River ( , ) is a river running northwest to southeast in eastern Pennsylvania. The river was improved by navigations into the Schuylkill Canal, and several of its tributaries drain major parts of Pennsylvania's Coal Region. It fl ...

, which feeds the Delaware at

Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Sinc ...

, passes through the ridge just north of

Hamburg (male), (female) en, Hamburger(s), Hamburgian(s) , timezone1 = Central (CET) , utc_offset1 = +1 , timezone1_DST = Central (CEST) , utc_offset1_DST = +2 , postal ...

. * The

, which feeds the

Chesapeake Bay The Chesapeake Bay ( ) is the largest estuary in the United States. The Bay is located in the Mid-Atlantic (United States), Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula (including the parts: the ...

, passes through the ridge just north of

, Pennsylvania's capital.

Pennsylvania Turnpike

The

system passes through Blue Mountain at two points: * The

Blue Mountain Tunnel The Blue Mountain Tunnel is one of two tunnels through Blue Mountain in Pennsylvania, located west of Newburg. It is one of seven tunnels completed for the Pennsylvania Turnpike mainline, and at in length, is the shortest of the four still in ...

carries the turnpike's east–west mainline (

Interstate 76 Interstate 76 may refer to: Interstate Highways in the United States * Interstate 76 (Colorado–Nebraska) * Interstate 76 (Ohio–New Jersey), running through Pennsylvania Video gaming * ''Interstate '76 ''Interstate '76'' is a vehicular ...

) through the ridge in northern Franklin County. The

Kittatinny Mountain Tunnel The Kittatinny Mountain Tunnel is a tunnel through Kittatinny Mountain in Franklin County, Pennsylvania. It is one of seven tunnels completed for the Pennsylvania Turnpike The Pennsylvania Turnpike (Penna Turnpike or PA Turnpike) is a t ...

bores through a parallel ridge of the same mountain just to the west, with the two tunnel portals only apart. * The

Lehigh Tunnel The Lehigh Tunnel is a pair of road tunnels that carries the Pennsylvania Turnpike Northeast Extension (Interstate 476) under Blue Mountain north from U.S. Route 22 in the Lehigh Valley to the Scranton/Wilkes-Barre area between mileposts 70.7 to ...

carries the turnpike's north–south Northeast Extension (

Interstate 476 Interstate 476 (I-476) is a auxiliary Interstate Highway of I-76 in the U.S. state of Pennsylvania. The highway runs from I-95 near Chester north to I-81 near Scranton, serving as the primary north–south Interstate corridor throu ...

) through the ridge between Lehigh and

Carbon Carbon () is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent In chemistry, the valence (US spelling) or valency (British spelling) of an element is the measure of its combining capacity with o ...

. Both tunnels consist of two tubes and carry two lanes in each direction of travel.

Blue Mountain attractions in Pennsylvania

* 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 Tr ...

is concurrent with the top of the ridge from New Jersey to northern

Lebanon County Lebanon County ( Pennsylvania Dutch: Lebanon Kaundi) is a county in the Commonwealth of Pennsylvania. As of the 2010 census, the population was 133,568. Its county seat is the city of Lebanon. The county was formed from portions of Dauphi ...

. *

Hawk Mountain Sanctuary Hawk Mountain Sanctuary is a wild bird sanctuary in Albany Township and East Brunswick Township, located along the Appalachian flyway in eastern Pennsylvania. The sanctuary is a prime location for the viewing of kettling and migrating raptors ...

is located at the very northern edge of

Berks County Berks County ( Pennsylvania German: ''Barricks Kaundi'') is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 428,849. The county seat is Reading. The Schuylkill River, a tributary of the Delaware River ...

. *

Hawk Mountain Ranger School Hawk Mountain Ranger School (HMRS) is a Search and Rescue school operated by the Pennsylvania Wing of the Civil Air Patrol (CAP). The school is located in the foothills of the Blue Mountains on 77 acres of Civil Air Patrol corporate property. ...

, located just south of the Sanctuary, trains

Civil Air Patrol Civil Air Patrol (CAP) is a congressionally chartered, federally supported non-profit corporation that serves as the official civilian auxiliary of the United States Air Force (USAF). CAP is a volunteer organization with an aviation-minded mem ...

members for their ground search and rescue Ranger Teams. *

Blue Mountain Resort Blue Mountain Resort is a ski resort located in Palmerton, Pennsylvania on Blue Mountain. Blue Mountain serves the Allentown, Philadelphia, New York City, and Wilmington urban areas and Carbon County, Schuylkill County, and the Hazleton are ...

is found on the north face of the ridge in the southeastern corner of Carbon County. *

Delaware Water Gap National Recreation Area Delaware Water Gap National Recreation Area is a national recreation area administered by the National Park Service in northwest New Jersey and northeast Pennsylvania. It is centered around a stretch of the Delaware River designated the Middle ...

reaches across

Northampton Northampton () is a market town and civil parish in the East Midlands of England, on the River Nene, north-west of London and south-east of Birmingham. The county town of Northamptonshire, Northampton is one of the largest towns in England; ...

, Monroe, and

Pike Pike, Pikes or The Pike may refer to: Fish * Blue pike or blue walleye, an extinct color morph of the yellow walleye ''Sander vitreus'' * Ctenoluciidae, the "pike characins", some species of which are commonly known as pikes * ''Esox'', genus of ...

counties and into New Jersey, mostly to the northwest of the ridge. *

Boyd Big Tree Preserve Conservation Area Boyd Big Tree Preserve Conservation Area is a Pennsylvania state park in Lower Paxton and Middle Paxton Townships in Dauphin County, Pennsylvania. The land for the conservation area was donated to the state by real estate developer Alex Boyd ...

is located in

Dauphin County Dauphin County (; Pennsylvania Dutch: Daffin Kaundi) is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 286,401. The county seat and the largest city is Harrisburg, Pennsylvania's state capital and ninth ...

Blue Mountain School District is named after the mountain range. It is located just off Route 61 in

Schuylkill Haven, Pennsylvania Schuylkill Haven is a borough in Schuylkill County, Pennsylvania, United States. The borough's population was 5,253 as of the 2020 census. Schuylkill Haven is situated along the Schuylkill River, for which it is named. Schuylkill Haven is a focal ...

References

External links

Blue Mountain Ski Area

Blue Mountain School District
{{DEFAULTSORT:Blue Mountain Ridge Ridges of Pennsylvania Landforms of Berks County, Pennsylvania Landforms of Dauphin County, Pennsylvania Landforms of Franklin County, Pennsylvania Landforms of Monroe County, Pennsylvania Mountains of Lehigh County, Pennsylvania Ridges of Carbon County, Pennsylvania

Geography

Water gaps

Pennsylvania Turnpike

Blue Mountain attractions in Pennsylvania

See also

References

External links