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Mount Baker

geography Maturity 7-9 Next article →

Mount Baker is a massive, active stratovolcano in the United States.

Mount Baker
Mount Baker

It is located in the North Cascades of Washington State. The mountain sits within the Cascade Volcanic Arc. It is the third-highest mountain in Washington. It also ranks as the fifth-highest in the Cascade Range. This ranking excludes specific subpeaks like Little Tahoma Peak and Shastina. Mount Baker is a very important geological feature. It is part of the Mount Baker volcanic field. This field has seen volcanic activity for about 1.5 million years.

The volcano is famous for its extreme amounts of ice and snow. Mount Baker has the second-most glacier cover in the Cascade Range. Only Mount Rainier has more glacier cover than Mount Baker. In fact, the volume of ice on this mountain is greater than all other Cascade volcanoes combined, except for Rainier.

Map baker glaciers
Map baker glaciers

The mountain is also one of the snowiest places on Earth. In 1999, the Mount Baker Ski Area set a world record. It recorded the highest snowfall in a single season. This heavy snow and ice cover shapes the mountain's appearance and its many glaciers.

Boulder Glacier 3737
Boulder Glacier 3737

The mountain's structure is built from layers of lava and volcanic breccia. Volcanic breccia is a rock made of broken fragments of minerals or rock. The current volcanic cone is relatively young. Scientists believe it is likely no more than 140,000 years old. Some estimates suggest it may be only 80,000 to 90,000 years old. This cone sits on top of an older volcanic structure called Black Buttes. Black Buttes was active between 500,000 and 300,000 years ago. Much of the older volcanic history was erased by glaciers. These thick ice sheets eroded the earlier volcanic edifices during the last ice age.

There are two main craters located near the summit of the mountain. The first is the Carmelo Crater. This crater is filled with ice and sits under the summit ice dome. It was the source of the last cone-building eruptions. The highest point of the mountain is Grant Peak. Grant Peak sits on the southeast rim of the Carmelo Crater. The second crater is the Sherman Crater.

Mount baker washington
Mount baker washington

This crater is located south of the summit. It is a deep depression with an ice-covered floor. Sherman Crater is the site of all Holocene eruptive activity. This refers to the current geological period. Hundreds of fumaroles are found here. Fumaroles are openings in the ground that vent steam and gas. These vents release gases like carbon dioxide and sulfur dioxide.

Baker Fumarole
Baker Fumarole
7487 copy Sherman Crater from Grant Peak 8-1-04
7487 copy Sherman Crater from Grant Peak 8-1-04

Indigenous peoples have lived near the mountain for thousands of years. The Nooksack and Upper Skagit peoples used the mountain for hunting and gathering. The Nooksack people call the mountain Koma Kulshan. This name means "white mountain." It refers to the glacier-covered summit above 7,000 feet. They also have names for the slopes and the meadows. The name for the meadows means "many meadows." The mountain was a source of wealth for these tribes. They gathered mountain goat wool and various foods. Nooksack families used the river valleys to reach alpine summer camps.

European explorers arrived and recorded the mountain much later. In 1790, the Spanish explorer Gonzalo Lopez de Haro mapped the area. He called the mountain "Great Mount Carmel." Later, the British explorer George Vancouver named it Mount Baker. He named it after 3rd Lieutenant Joseph Baker of the HMS Discovery.

Mount Baker behind the towers of Vancouver in May 2022
Mount Baker behind the towers of Vancouver in May 2022

The first successful climb of the summit happened in 1868. Edmund Thomas Coleman led a group to the top. They climbed via the Middle Fork Nooksack River and Marmot Ridge. This successful ascent followed a failed attempt two years earlier. The climbers had to face difficult weather and steep ice.

Mount Baker remains a very active part of the landscape. It has the second-most thermally active crater in the Cascade Range. This activity follows Mount St. Helens. While the volcano does not have many explosive eruptions, it can be dangerous. The most frequent destructive events are lahars. A lahar is a violent debris flow of mud and volcanic material. These can be caused by magma movement or heavy rainfall. Even without large eruptions, the mountain's movement and weather create a powerful environment.

Mount Baker steam plume from Bellingham, WA, 1999
Mount Baker steam plume from Bellingham, WA, 1999
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🖼️ Images & Media (10)
File:Mount baker washington.jpg
Mount baker washington.jpg
File:Mount Baker from Oak Bay, British Columbia (HS85-10-14463).jpg
Mount Baker from Oak Bay, British...
File:Mount Baker behind the towers of Vancouver in May 2022.jpg
Mount Baker behind the towers of...
File:Mount Baker 22181.JPG
Mount Baker 22181.JPG
File:Mount Baker.jpg
Mount Baker.jpg
File:Baker Fumarole.jpg
Baker Fumarole.jpg
File:7487 copy Sherman Crater from Grant Peak 8-1-04.jpg
7487 copy Sherman Crater from Grant Peak...
File:Mount Baker steam plume from Bellingham, WA, 1999.jpg
Mount Baker steam plume from Bellingham,...
File:Boulder Glacier 3737.JPG
Boulder Glacier 3737.JPG
File:Map baker glaciers.gif
Map baker glaciers.gif
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