# Spire Point

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> Source: https://en.wikipedia.org/wiki/Spire_Point
> Source revision: 1355986661
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{{short description|Mountain in Washington (state), United States}}
{{Use American English|date=February 2026}}
{{Use mdy dates|date=January 2025}}
{{Infobox mountain
| name = Spire Point
| image = Spire Point from Maple Pass.jpg
| image_caption = Spire Point seen from Maple Pass
| elevation_ft = 8264
| elevation_ref = <ref name=pb>{{cite peakbagger|pid=1883|name=Spire Point, Washington|accessdate=March 10, 2013}}</ref>
| prominence_ft = 784
| prominence_ref = <ref name=pb/>
| location = [Chelan](/source/Chelan_County%2C_Washington) and [Skagit County, Washington](/source/Skagit_County%2C_Washington), U.S.
| range = [Cascade Range](/source/Cascade_Range)
| map = Washington#USA
| map_relief = 1
| map_caption = Location in Washington##Location in the United States
| coordinates   = {{coord|48|19|03|N|121|04|16|W|type:mountain_region:US-WA_scale:100000|format=dms|display=inline,title}}
| coordinates_ref = <ref name=gnis>{{cite gnis|id=1526374|name=Spire Point|accessdate=March 10, 2013}}</ref>
| topo = [USGS](/source/United_States_Geological_Survey) Dome Peak
| first_ascent = 
| easiest_route = {{YDS|5}}
}}
'''Spire Point''' ({{convert|8264|ft|disp=semicolon}}) is in [Mount Baker-Snoqualmie](/source/Mount_Baker-Snoqualmie_National_Forest) and [Wenatchee National Forest](/source/Wenatchee_National_Forest)s in the U.S. state of [Washington](/source/Washington_(state)).<ref name=topo>{{Cite map|publisher=TopoQwest (United States Geological Survey Maps)|title=Dome Peak, WA|url=http://www.topoquest.com/map.php?lat=48.31762&lon=-121.07122&datum=nad83&zoom=4|accessdate=March 10, 2013}}</ref> On the northwest slope of Spire Point lies [Spire Glacier](/source/Spire_Glacier) while [Dana Glacier](/source/Dana_Glacier_(Washington)) is to the east. Ascending Spire Point is a technical climb.<ref>{{cite book|last=Beckey|first=Fred|title=Cascade Alpine Guide, Vol. 2; Stevens Pass to Rainy Pass|year=2003|publisher=Mountaineer Books|isbn=978-0-89886-838-8|page=253}}</ref>

==Climate==
Spire Point is located in the [marine west coast](/source/marine_west_coast) climate zone of western [North America](/source/North_America).<ref name="Beckey">Beckey, p. 15</ref> Most [weather front](/source/weather_front)s originate in the [Pacific Ocean](/source/Pacific_Ocean), and travel northeast toward the [Cascade Mountains](/source/Cascade_Mountains). As fronts approach the [North Cascades](/source/North_Cascades), they are forced upward by the peaks of the Cascade Range, causing them to drop their moisture in the form of [rain](/source/rain) or [snowfall](/source/snowfall) onto the Cascades ([Orographic lift](/source/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. 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.<ref name="Beckey"/>

==Geology==
The North Cascades feature some of the most rugged topography in the [Cascade Range](/source/Cascade_Range) with craggy peaks, spires, ridges, and deep [glacial valley](/source/glacial_valley)s. The history of the formation of the Cascade Mountains dates back millions of years ago to the late [Eocene](/source/Eocene) Epoch.<ref name=Kruckeberg>{{cite book|last=Kruckeberg|first=Arthur|title=The Natural History of Puget Sound Country|publisher=University of Washington Press|year=1991}}</ref> During the [Pleistocene](/source/Pleistocene) period dating back over two million years ago, glaciation advancing and retreating repeatedly scoured and shaped the landscape.<ref name=Kruckeberg/> The U-shaped cross section of the river valleys is a result of recent glaciation. [Uplift](/source/orogeny) and [fault](/source/fault_(geology))ing in combination with glaciation have been the dominant processes which have created the tall peaks and deep valleys of the North Cascades area.
thumb|center|400px|Spire Point (center), Dome Peak (right) seen from Green Mountain

==References==
{{reflist}}

Category:Mountains of Washington (state)
Category:Mountains of Skagit County, Washington
Category:Mountains of Chelan County, Washington

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Adapted from the Wikipedia article [Spire Point](https://en.wikipedia.org/wiki/Spire_Point) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Spire_Point?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.