Grasshopper Peak

Grasshopper Peak
Grasshopper Peak
	South aspect
Highest point
Elevation	6,850 ft (2,088 m)
Prominence	430 ft (131 m)
Isolation	2.03 mi (3.27 km)
Coordinates	47°57′19″N120°54′20″W / 47.955392°N 120.90544°W
Geography
	Grasshopper Peak Location in Washington Grasshopper Peak Grasshopper Peak (the United States)
Country	United States
State	Washington
County	Chelan
Protected area	Glacier Peak Wilderness
Parent range	Cascade Range ; North Cascades ; White Mountains
Topo map	USGS Mount David
Climbing
Easiest route	Scrambling

Last updated January 07, 2024

Grasshopper Peak is a 6,850-foot-elevation (2,088-meter) mountain summit in Chelan County of Washington state.

Description

Grasshopper Peak is located near the southern end of the White Mountains which are a small subrange of the North Cascades.^[4] It is set along the boundary of Glacier Peak Wilderness on land administered by the Okanogan–Wenatchee National Forest.^[2] Precipitation runoff from the mountain's west slope drains into the White River, whereas the east slope drains into the Napeequa River. Topographic relief is significant as the summit rises 4,800 feet (1,500 meters) above the White River in 1.35 mile (2.17 km) and 4,320 feet (1,320 meters) above the Napeequa in 0.9 mile (1.45 km). This mountain's toponym has not been officially adopted by the United States Board on Geographic Names, so it is not labelled on USGS maps, and will remain unofficial as long as the USGS policy of not adopting new toponyms in designated wilderness areas remains in effect.

Climate

Grasshopper Peak is located in the marine west coast climate zone of western North America.^[1] Most weather fronts originate in the Pacific Ocean and travel east 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 (Orographic lift). As a result, the west side of the North Cascades experiences high precipitation, especially during the winter months in the form of snowfall.^[1] Because of maritime influence, snow tends to be wet and heavy, resulting in high avalanche danger.^[1] 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.^[1] The months July through September offer the most favorable weather for viewing or climbing this peak.

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. These climate differences lead to vegetation variety defining the ecoregions in this area.

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] Glacier Peak, a stratovolcano that is 14.3 mi (23.0 km) northwest of Grasshopper Peak, began forming in the mid-Pleistocene.^[1] 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.

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Luahna Peak is an 8,400+ ft double summit mountain located in the Glacier Peak Wilderness of the North Cascades in Washington state. The true summit is 7400+ feet in elevation, and the northwest subpeak is 8,320+ feet. The mountain is situated in Chelan County, in the Wenatchee National Forest. Luahna Peak is the second highest in the Dakobed Range after Clark Mountain which is 1.04 mi (1.67 km) to the southeast, and Luahna lies 6.95 mi (11.18 km) southeast of Glacier Peak. The Richardson Glacier lies to the southeast of the summit, with the Pilz Glacier and Butterfly Glacier stretching across the northern slope. Precipitation runoff from the peak drains into the White River and Napeequa River, both tributaries of the Wenatchee River.

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Wilmans Peaks is a 6,880-foot elevation (2,097 m) mountain summit, in Snohomish County of Washington state.

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References

1 2 3 4 5 6 7 Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.
1 2 3 4 "Grasshopper Peak, Washington". Peakbagger.com. Retrieved 2023-08-11.
1 2 "Grasshopper Peak - 6,850' WA". listsofjohn.com. Retrieved 2023-08-11.
↑ "White Mountains". Geographic Names Information System . United States Geological Survey, United States Department of the Interior . Retrieved 2023-08-11.
1 2 3 4 Kruckeberg, Arthur (1991). The Natural History of Puget Sound Country. University of Washington Press.

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[Beckey,_Fred_W_2008-1] 1 2 3 4 5 6 7 Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.

[pb-2] 1 2 3 4 "Grasshopper Peak, Washington". Peakbagger.com. Retrieved 2023-08-11.

[listsofjohn-3] 1 2 "Grasshopper Peak - 6,850' WA". listsofjohn.com. Retrieved 2023-08-11.

[gnis-4] "White Mountains". Geographic Names Information System . United States Geological Survey, United States Department of the Interior . Retrieved 2023-08-11.

[Kruckeberg-5] 1 2 3 4 Kruckeberg, Arthur (1991). The Natural History of Puget Sound Country. University of Washington Press.

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