American Border Peak

American Border Peak
American Border Peak from Gold Run Pass with Mount Larrabee to the far right edge of frame
Highest point
Elevation 7,998 ft (2,438 m)  NAVD 88[1]
Prominence 2,794 ft (852 m) [1]
Coordinates 48°59′43″N 121°39′55″W / 48.9954056°N 121.66514°W / 48.9954056; -121.66514Coordinates: 48°59′43″N 121°39′55″W / 48.9954056°N 121.66514°W / 48.9954056; -121.66514 [2]
Geography
Parent range North Cascades
Topo map USGS Mt. Larrabee
Climbing
First ascent September 14, 1930 by Alec Dalgleish, Tom Fyles, Stan Henderson, R. A. Fraser[3]
Easiest route Southeast face (Exposed scramble)

American Border Peak is a mountain just south of the Canada–United States border, in the North Cascades of Washington state, with a corresponding sister peak, Canadian Border Peak, just north along a col connecting to it across the border.[4] It is located within the Mount Baker Wilderness, part of the Mount Baker-Snoqualmie National Forest, near North Cascades National Park. It is notable for its large, steep local relief; however its somewhat rotten rock makes it less appealing to climbers than nearby Slesse Mountain.[3]

Climate

American Border Peak seen from Mount Larrabee

American Border Peak is located in the marine west coast climate zone of western North America.[5] Most weather fronts originate in the Pacific Ocean, and travel northeast toward the Cascade Mountains. As fronts approach the North Cascades, they are forced upward by the peaks of the Cascade Range, 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.[5] Due to its temperate climate and proximity to the Pacific Ocean, areas west of the Cascade Crest very rarely experience temperatures below 0 °F (−18 °C) or above 80 °F (27 °C).[5] 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.[6] Because of maritime influence, snow tends to be wet and heavy, resulting in high avalanche danger.[6]

Notes

  1. 1 2 "American Border Peak, Washington". Peakbagger.com. Retrieved 2011-05-26.
  2. ↑ "American Border Peak". Geographic Names Information System. United States Geological Survey. Retrieved 2008-10-18.
  3. 1 2 Beckey, Fred W. (2008). Cascade Alpine Guide, Vol. 3, Rainy Pass to Fraser River (3rd ed.). Mountaineers Books. pp. 53ff. ISBN 1-59485-136-0.
  4. ↑ "Canadian Border Peak". BC Geographical Names. Retrieved 2011-05-26.
  5. 1 2 3 Beckey, p. 15
  6. 1 2 Beckey, p. 16
  • Howbert, Jeff. "All Washington Peaks with 2000 Feet of Prominence". The Northwest Peakbaggers Asylum.


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