Portage Glacier is a

glacier A glacier (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires ...

on the

Kenai Peninsula The Kenai Peninsula ( Dena'ina: ''Yaghenen'') is a large peninsula jutting from the coast of Southcentral Alaska. The name Kenai (, ) is derived from the word "Kenaitze" or "Kenaitze Indian Tribe", the name of the Native Athabascan Alaskan tribe ...

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 so ...

Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...

and is included within the

Chugach National Forest The Chugach National Forest is a United States National Forest in south central Alaska. Covering portions of Prince William Sound, the Kenai Peninsula and the Copper River (Alaska), Copper River Delta, it was formed in 1907 from part of a larger ...

. It is located south of Portage Lake and 6 km (4 mi) west of Whittier. Portage Glacier was a local name first recorded in 1898 by

Thomas Corwin Mendenhall Thomas Corwin Mendenhall (October 4, 1841 – March 23, 1924) was an American autodidact physicist and meteorologist. He was the first professor hired at Ohio State University in 1873 and the superintendent of the United States Coast and Geodeti ...

of the

United States Coast and Geodetic Survey The United States Coast and Geodetic Survey ( USC&GS; known as the Survey of the Coast from 1807 to 1836, and as the United States Coast Survey from 1836 until 1878) was the first scientific agency of the Federal government of the United State ...

, so called because it is on a

portage Portage or portaging ( CA: ; ) is the practice of carrying water craft or cargo over land, either around an obstacle in a river, or between two bodies of water. A path where items are regularly carried between bodies of water is also called a '' ...

route between

Prince William Sound Prince William Sound ( Sugpiaq: ''Suungaaciq'') is a sound off the Gulf of Alaska on the south coast of the U.S. state of Alaska. It is located on the east side of the Kenai Peninsula. Its largest port is Valdez, at the southern terminus of the ...

and

Turnagain Arm Turnagain Arm (Denaʼina language, Dena'ina: ''Tutl'uh'') is a waterway into the northwestern part of the Gulf of Alaska. It is one of two narrow branches at the north end of Cook Inlet, the other being Knik Arm. Turnagain is subject to climate e ...

. Hundreds of years ago the glacier filled the entire Portage Valley, a distance of , and was connected to what are now five separate glaciers.Portage Valley and Portage Glacier: Welcome to the Land of Ice and Rock

USFS The United States Forest Service (USFS) is an agency within the U.S. Department of Agriculture. It administers the nation's 154 national forests and 20 national grasslands covering of land. The major divisions of the agency are the Chief's ...

The Begich/ Boggs Visitor Center (located here ) was built by the

U.S. Forest Service The United States Forest Service (USFS) is an agency within the U.S. Department of Agriculture. It administers the nation's 154 national forests and 20 national grasslands covering of land. The major divisions of the agency are the Chief's ...

in 1986. However, the glacier can no longer be viewed from there. In the summer a boat ride across the lake is required to view the glacier. Commercial boat tours are available. In the winter the glacier sees much foot, bike, and ski traffic if the lake freezes.

Geography

Portage Glacier is located adjacent to Turnagain Arm, 50 miles southeast of downtown

Anchorage Anchorage, officially the Municipality of Anchorage, is the most populous city in the U.S. state of Alaska. With a population of 291,247 at the 2020 census, it contains nearly 40 percent of the state's population. The Anchorage metropolita ...

. Road access is via the

Seward Highway The Seward Highway is a highway in the U.S. state of Alaska that extends from Seward, Alaska, Seward to Anchorage, Alaska, Anchorage. It was completed in 1951 and runs through the scenic Kenai Peninsula, Chugach National Forest, Turnagain Arm ...

to the former town of

Portage Portage or portaging ( CA: ; ) is the practice of carrying water craft or cargo over land, either around an obstacle in a river, or between two bodies of water. A path where items are regularly carried between bodies of water is also called a '' ...

, which was flooded and subsequently vacated following the

1964 Alaska earthquake The 1964 Alaska earthquake, also known as the Great Alaska earthquake and Good Friday earthquake, occurred at 5:36 PM Alaska Standard Time, AKST on Good Friday, March 27, 1964.

. The Portage Glacier Road runs , mostly past USFS campgrounds, to the Begich, Boggs Visitor Center. The main road used to end here, but now continues eastward, leading to the

Anton Anderson Memorial Tunnel The Portage Glacier Highway, or Portage Glacier Road, is a highway located in the U.S. state of Alaska. The highway is made up of a series of roads, bridges, and tunnels that connect the Portage Glacier area of the Chugach National Forest and ...

and to Whittier.

References

External links

Visitors Center
Glaciers of Anchorage, Alaska Glaciers of Alaska Glaciers of Kenai Peninsula Borough, Alaska Portages in the United States {{KenaiPeninsulaAK-geo-stub

Geography

See also

References

External links