The Alaska Range is a relatively narrow, 600-mile-long (950 km)

mountain range A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have arise ...

in the southcentral region of the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S. ...

, from

Lake Clark Lake Clark ( Dena'ina: ''Qizhjeh Vena'') is a lake in southwest Alaska. It drains through Six Mile Lake and the Newhalen River into Iliamna Lake. The lake is about long and about wide. Lake Clark was named for John W. Clark, chief of the Nu ...

at its southwest endSources differ as to the exact delineation of the Alaska Range. Th
Board on Geographic Names
entry is inconsistent; part of it designates

Iliamna Lake Iliamna Lake or Lake Iliamna (Yup'ik: ''Nanvarpak''; Dena'ina Athabascan: ''Nila Vena'') is a lake in southwest Alaska, at the north end of the Alaska Peninsula, between Kvichak Bay and Cook Inlet, about west of Seldovia, Alaska. It shares a n ...

as the southwestern end, and part of the entry has the range ending at the Telaquana and Neacola Rivers. Other sources identify Lake Clark, in between those two, as the endpoint. This also means that the status of the Neacola Mountains is unclear: it is usually identified as the northernmost subrange of the

Aleutian Range The Aleutian Range is a major mountain range located in southwest Alaska. It extends from Chakachamna Lake (80 miles/130 km southwest of Anchorage) to Unimak Island, which is at the tip of the Alaska Peninsula. It includes all of the mountain ...

, but it could also be considered the southernmost part of the Alaska Range. to the White River in

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

Yukon Territory Yukon (; ; formerly called Yukon Territory and also referred to as the Yukon) is the smallest and westernmost of Canada's three territories. It also is the second-least populated province or territory in Canada, with a population of 43,964 as ...

in the southeast. The highest mountain in North America,

Denali Denali (; also known as Mount McKinley, its former official name) is the highest mountain peak in North America, with a summit elevation of above sea level. With a topographic prominence of and a topographic isolation of , Denali is the th ...

, is in the Alaska Range. It is part of the American Cordillera. The Alaska range is one of the higher ranges in the world after the

Himalayas The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over 10 ...

and the

Andes The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S ...

Description and history

The range forms a generally east–west arc with its northernmost part in the center, and from there trending southwest towards the Alaska Peninsula and the

Aleutian Islands The Aleutian Islands (; ; ale, Unangam Tanangin,”Land of the Aleuts", possibly from Chukchi ''aliat'', "island"), also called the Aleut Islands or Aleutic Islands and known before 1867 as the Catherine Archipelago, are a chain of 14 large v ...

, and trending southeast into

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

and the

Pacific Coast Ranges The Pacific Coast Ranges (officially gazetted as the Pacific Mountain System in the United States) are the series of mountain ranges that stretch along the West Coast of North America from Alaska south to Northern and Central Mexico. Although the ...

. The mountains act as a high barrier to the flow of moist air from the

Gulf of Alaska The Gulf of Alaska (Tlingit: ''Yéil T'ooch’'') is an arm of the Pacific Ocean defined by the curve of the southern coast of Alaska, stretching from the Alaska Peninsula and Kodiak Island in the west to the Alexander Archipelago in the east ...

northwards, and thus have some of the harshest weather in the world. The heavy snowfall also contributes to a number of large

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 over many years, often centuries. It acquires distinguishing features, such as ...

s, including the Cantwell, Castner, Black Rapids, Susitna, Yanert, Muldrow, Eldridge,

Ruth Ruth (or its variants) may refer to: Places France * Château de Ruthie, castle in the commune of Aussurucq in the Pyrénées-Atlantiques département of France Switzerland * Ruth, a hamlet in Cologny United States * Ruth, Alabama * Ruth, Ar ...

, Tokositna, and Kahiltna Glaciers. Four major rivers cross the Alaska Range, including the Delta and

Nenana River The Nenana River ( taa, Nina No’) is a tributary of the Tanana River, approximately long, in central Alaska in the United States. It drains an area on the north slope of the Alaska Range on the south edge of the Tanana Valley southwest of Fai ...

s in the center of the range and the Nabesna and Chisana Rivers to the east. The range is part of the

Pacific Ring of Fire The Ring of Fire (also known as the Pacific Ring of Fire, the Rim of Fire, the Girdle of Fire or the Circum-Pacific belt) is a region around much of the rim of the Pacific Ocean where many volcanic eruptions and earthquakes occur. The Ring o ...

, and the Denali Fault that runs along its southern edge is responsible for many major

earthquake An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in intensity, fr ...

Mount Spurr Mount Spurr ( Dena'ina: ''K'idazq'eni'') is a stratovolcano in the Aleutian Arc of Alaska, named after United States Geological Survey geologist and explorer Josiah Edward Spurr, who led an expedition to the area in 1898. The Alaska Volcano Obse ...

is a stratovolcano located at the northeastern end of the Aleutian Volcanic Arc which has two vents, the summit and nearby Crater Peak. Parts of the Alaska Range are protected within Wrangell-St. Elias National Park and Preserve,

Denali National Park and Preserve Denali National Park and Preserve, formerly known as Mount McKinley National Park, is an American national park and preserve located in Interior Alaska, centered on Denali, the highest mountain in North America. The park and contiguous preserve ...

, and

Lake Clark National Park and Preserve Lake Clark National Park and Preserve is an American national park in southwest Alaska, about southwest of Anchorage. The park was first proclaimed a national monument in 1978, then established as a national park and preserve in 1980 by the Alas ...

. The George Parks Highway from Anchorage to Fairbanks, the

Richardson Highway The Richardson Highway is a highway in the U.S. state of Alaska, running 368 miles (562 km) and connecting Valdez to Fairbanks. It is marked as Alaska Route 4 from Valdez to Delta Junction and as Alaska Route 2 from there to Fairbanks. I ...

from Valdez to Fairbanks, and the

Tok Cut-Off Alaska Route 1 (AK-1) is a state highway in the southern part of the U.S. state of Alaska. It runs from Homer northeast and east to Tok by way of Anchorage. It is one of two routes in Alaska to contain significant portions of freeway: the S ...

from Gulkana Junction to

Tok, Alaska Tok is a census-designated place (CDP) in Southeast Fairbanks Census Area, Alaska, United States. The population was 1,243 at the 2020 census, slightly down from 1,258 in 2010. Geography Tok lies on a large, flat alluvial plain of the Tanana ...

pass through low parts of the range. The

Alaska Pipeline The Trans-Alaska Pipeline System (TAPS) is an oil transportation system spanning Alaska, including the trans-Alaska crude-oil pipeline, 11 pump stations, several hundred miles of feeder pipelines, and the Valdez Marine Terminal. TAPS is one of ...

parallels the

Naming history

The name "Alaskan Range" appears to have been first applied to these mountains in 1869 by naturalist W. H. Dall. The name eventually became "Alaska Range" through local use. In 1849

Constantin Grewingk Constantin is an Aromanian, Megleno-Romanian and Romanian male given name. It can also be a surname. For a list of notable people called Constantin, see Constantine (name). See also * Constantine (name) * Konstantin The first name Konstant ...

applied the name "Tschigmit" to this mountain range. A map made by the

General Land Office The General Land Office (GLO) was an independent agency of the United States government responsible for public domain lands in the United States. It was created in 1812 to take over functions previously conducted by the United States Department o ...

in 1869 calls the southwestern part of the Alaska Range the "Chigmit Mountains" and the northeastern part the "Beaver Mountains".Name history from th
Board on Geographic Names
entry for the Alaska Range. However, the

Chigmit Mountains The Chigmit Mountains are a subrange of the Aleutian Range in the Kenai Peninsula and Lake and Peninsula Boroughs of the U.S. state of Alaska. Location They are located at the northeastern end of the Aleutian range, on the west side of Cook Inl ...

are now considered part of the

Major peaks

(20,310 ft/ 6,190.5 m) * Mount Foraker (17,400 ft/ 5,304 m) * Mount Hunter (14,573 ft/ 4,442 m) * Mount Hayes (13,832 ft/ 4,216 m) *

Mount Silverthrone Mount is often used as part of the name of specific mountains, e.g. Mount Everest. Mount or Mounts may also refer to: Places * Mount, Cornwall, a village in Warleggan parish, England * Mount, Perranzabuloe, a hamlet in Perranzabuloe parish, C ...

(13,218 ft/ 4,029 m) *

Mount Moffit Mount Moffit is a peak in the Alaska Range in central Alaska, United States, about 10 miles (16 km) east-southeast of Mount Hayes. It is notable for its steep faces and large relief above local terrain. For example, the north face drops 7,400 ...

(13,020 ft/ 3,970 m) * Mount Deborah (12,339 ft/ 3,761 m) * Mount Huntington (12,240 ft/ 3,730 m) * Mount Brooks (11,890 ft/ 3,624 m) * Mount Russell (11,670 ft/ 3,557 m)

Subranges (from west to east)

* Neacola Mountains * Revelation Mountains * Teocalli Mountains * Kichatna Mountains * Central Alaska Range/

Massif * Eastern Alaska Range/ Hayes Range * Delta Mountains * Mentasta Mountains * Nutzotin Mountains

Documented wilderness traverses of Alaska Range

* Mentasta Lake to Kitchatna Mountains (1981): Scott Woolums, George Beilstein, Steve Eck, and Larry Coxen by

skis A ski is a narrow strip of semi-rigid material worn underfoot to glide over snow. Substantially longer than wide and characteristically employed in pairs, skis are attached to ski boots with ski bindings, with either a free, lockable, or partial ...

: first traverse. in 45 days. * Canada to

(1996): Roman Dial, Carl Tobin, and Paul Adkins by mountain bike and packraft: first full-length traverse. in 42 days. * Tok to Lake Clark (1996): Kevin Armstrong, Doug Woody, and Jeff Ottmers by snowshoe, foot, and packraft: first foot traverse. in 90 days. *Lake Clark to Mentasta Lake (2016): Gavin McClurg by

paraglider Paragliding is the recreational and competitive adventure sport of flying paragliders: lightweight, free-flying, foot-launched glider aircraft with no rigid primary structure. The pilot sits in a harness or lies supine in a cocoon-like ' ...

and foot: first vol-biv (fly/camp) traverse. in 37 days. * Cantwell/ Yakutat to

Unimak Island Unimak Island ( ale, Unimax, russian: Унимак) is the largest island in the Aleutian Islands chain of the U.S. state of Alaska. Geography It is the easternmost island in the Aleutians and, with an area of , the ninth largest island in the ...

(2020): Quoc Nguyen and Dan Binde by foot and packraft. 2,500 miles (4,023 km) in 120 days.

References