Table Mountain (Whatcom County, Washington)

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Table Mountain
Sunrise Lake Washington.jpg
Table Mountain seen from Austin Pass
Highest point
Elevation 5,742 ft (1,750 m) [1]
Prominence 422 ft (129 m) [1]
Parent peak Mazama Dome (5,820 ft) [2]
Isolation 0.84 mi (1.35 km) [2]
Coordinates 48°50′52″N121°42′49″W / 48.847774°N 121.713574°W / 48.847774; -121.713574 [1]
Geography
USA Washington relief location map.jpg
Red triangle with thick white border.svg
Table Mountain
Location in Washington
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Table Mountain
Table Mountain (the United States)
CountryUnited States
State Washington
County Whatcom
Protected area Mount Baker Wilderness
Parent range North Cascades
Topo map USGS Shuksan Arm
Geology
Type of rock Andesite lava
Volcanic arc Cascade Volcanic Arc
Climbing
Easiest route Hiking trail

Table Mountain is a Skagit Range summit located west of Mount Shuksan and northeast of Mount Baker in the North Cascades of Washington state. [3] It is situated in the Mount Baker Wilderness, which is managed by the Mount Baker-Snoqualmie National Forest. Table Mountain is located west of Artist Point, at the end of the Mount Baker Highway. From the Artist Point parking lot, a short 1.4 mile trail leads to the summit at the west end of the mountain. The summit offers views of Mount Shuksan, Mount Baker, Mount Hermann, and Mount Larrabee. Remnants of the Table Mountain Glacier are on the northeast slope. Precipitation runoff from the mountain drains into tributaries of the Skagit and Nooksack Rivers. [1]

Contents

Climate

Table Mountain in winter Table Mountain winter.jpg
Table Mountain in winter

Table Mountain is located in the marine west coast climate zone of western North America. [4] Weather fronts originating in the Pacific Ocean travel northeast toward the Cascade Mountains. As fronts approach the North Cascades, they are forced upward by the peaks of the Cascade Range (orographic lift), causing them to drop their moisture in the form of rain or snowfall onto the Cascades. As a result, the west side of the North Cascades experiences high precipitation, especially during the winter months in the form of snowfall. Table Mountain is situated above the Mt. Baker Ski Area, which recorded the world's greatest snowfall for one season, 1,140 inches (95.0 ft; 29.0 m), which was recorded during the 1998–1999 season. Because of maritime influence, snow tends to be wet and heavy, resulting in high avalanche danger. [4] During winter months, weather is usually cloudy, but, due to high pressure systems over the Pacific Ocean that intensify during summer months, there is often little or no cloud cover during the summer. [4]

Geology

The North Cascades features some of the most rugged topography in the Cascade Range with craggy peaks, ridges, and deep glacial valleys. Geological events occurring many years ago created the diverse topography and drastic elevation changes over the Cascade Range leading to the various climate differences.

Table Mountain from Artist Point Table Mountain from Artist Point area.jpg
Table Mountain from Artist Point

The history of the formation of the Cascade Mountains dates back millions of years ago to the late Eocene Epoch. [5] With the North American Plate overriding the Pacific Plate, episodes of volcanic igneous activity persisted. [5] Mount Baker, a stratovolcano that is 6.7 mi (10.8 km) southwest of Table Mountain, began forming in the Pleistocene. [4] In addition, small fragments of the oceanic and continental lithosphere called terranes created the North Cascades about 50 million years ago. [5]

During the Pleistocene period dating back over two million years ago, glaciation advancing and retreating repeatedly scoured the landscape leaving deposits of rock debris. [5] The U-shaped cross section of the river valleys is a result of recent glaciation. Uplift and faulting in combination with glaciation have been the dominant processes which have created the tall peaks and deep valleys of the North Cascades area.

Table Mountain is an andesite lava flow which was so thick that geologists think it must have flowed into a constraining canyon in which the molten rock formed a lava lake. Because of the wild, crazy columnar joints that occur along the sides of Table Mountain, there is a suggestion that the flow may have been constrained by glacial ice. [6]

See also

Related Research Articles

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<span class="mw-page-title-main">Mount Hermann</span> Mountain in Washington (state), United States

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<span class="mw-page-title-main">Yellow Aster Butte</span> Mountain in Washington, United States of America

Yellow Aster Butte is a 6,241-foot (1,902-metre) Skagit Range summit located three miles south of the Canada–United States border, in Whatcom County of Washington state. It is situated within the Mount Baker Wilderness, on land managed by Mount Baker-Snoqualmie National Forest. The nearest higher neighbor is Winchester Mountain, 1.77 miles (2.85 km) to the east, and Mount Larrabee is set 2.3 miles (3.7 km) to the northeast. The summit offers views of Mount Larrabee, Tomyhoi Peak, American Border Peak, Canadian Border Peak, Mount Shuksan, and Mount Baker. Precipitation runoff on the north side of the mountain drains into Tomyhoi Creek, whereas the west side of the mountain drains into Damfino Creek, and the south slope is drained by Swamp Creek.

<span class="mw-page-title-main">Mount Watson (Washington)</span> Mountain in Washington (state), United States

Mount Watson is a 6,220-foot-elevation (1,900-meter) summit located in the North Cascades, in Whatcom County of Washington state.

<span class="mw-page-title-main">Mount Ann</span> Mountain in Washington (state), United States

Mount Ann is a 5,840-foot-elevation (1,780-meter) mountain summit located in the North Cascades in Whatcom County of Washington state. It is set within the Mount Baker Wilderness, on land managed by Mount Baker-Snoqualmie National Forest, and is only one mile outside the boundary of North Cascades National Park. Mount Ann is situated immediately southwest of line parent Mount Shuksan and northeast of Mount Baker. Mount Ann can be seen south of Artist Point which is at the end of the Mount Baker Highway. Precipitation runoff from the mountain drains into Swift Creek and Shuksan Creek, which empty into Baker Lake. Topographic relief is significant as the west aspect rises 3,200 feet above Swift Creek in approximately one mile. The mountain is unofficially named in association with nearby Lake Ann. Due to its proximity to the Mt. Baker Ski Area, Mount Ann is a winter destination for skiing and snowshoeing.

References

  1. 1 2 3 4 "Table Mountain, Washington". Peakbagger.com.
  2. 1 2 "Table Mountain - 5,742' WA". listsofjohn.com. Retrieved 2020-06-21.
  3. "Table Mountain". Geographic Names Information System . United States Geological Survey, United States Department of the Interior . Retrieved 2018-08-18.
  4. 1 2 3 4 Beckey, Fred W. (2008). Cascade Alpine Guide, Vol. 3, Rainy Pass to Fraser River (3rd ed.). Mountaineers Books. ISBN   978-1-59485-136-0.
  5. 1 2 3 4 Kruckeberg, Arthur (1991). The Natural History of Puget Sound Country. University of Washington Press.
  6. "USGS Geology in the Parks Artist Point"