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danger. 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. Due to its temperate climate and proximity to the Pacific Ocean, areas west of the Cascade
540:), 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. Because of
549:
Crest very rarely experience temperatures below 0 °F (−18 °C) or above 80 °F (27 °C). The months July through
September offer the most favorable weather for viewing or climbing this peak.
376:
is significant since the northern aspect of the mountain rises 4,200 feet above the
Suiattle Valley in approximately 1.5 mi (2.4 km). This mountain has small, unnamed, hanging glaciers in
93:
467:
period dating back over two million years ago, glaciation advancing and retreating repeatedly scoured and shaped the landscape. Glaciation was most prevalent approximately
990:
428:. Geological events occurring many years ago created the diverse topography and drastic elevation changes over the Cascade Range leading to various climate differences.
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that is 4.4 mi (7.1 km) northwest of
Tenpeak Mountain, began forming in the mid-Pleistocene. Due to Glacier Peak's proximity to Tenpeak Mountain,
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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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360:, on the shared border of Snohomish County and Chelan County, also straddling the boundary between the
710:
Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.
436:
602:
536:. As fronts approach the North Cascades, they are forced upward by the peaks of the Cascade Range (
448:
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The history of the formation of the
Cascade Mountains dates back millions of years ago to the late
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The North
Cascades features some of the most rugged topography in the
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from the mountain and meltwater from the glaciers drains south into
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Subduction and tectonic activity in the area began during the
344:
is an 8,312-foot (2,533-metre) mountain summit located in the
532:
originating in the
Pacific Ocean travel northeast toward the
384:
lies below the western base of the mountain. Precipitation
500:. Extensive volcanic activity began to take place in the
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544:, snow tends to be wet and heavy, resulting in high
396:. This mountain's descriptive name was suggested by
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596:North aspect of Tenpeak viewed from Miners Ridge
380:surrounding the summit, and the terminus of the
447:persisted. In addition, small fragments of the
356:state. Tenpeak is situated on the crest of the
372:, 2.5 mi (4.0 km) to the southeast.
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642:
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16:Mountain in Washington (state), United States
8:
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564:List of Highest Mountain Peaks in Washington
528:climate zone of western North America. Most
400:, and was officially adopted in 1918 by the
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839:
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766:The Natural History of Puget Sound Country
157:Location of Tenpeak Mountain in Washington
18:
991:Mountains of Snohomish County, Washington
738:United States Department of the Interior
177:
144:
632:
586:
463:about 50 million years ago. During the
986:Mountains of Chelan County, Washington
718:
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362:Mount Baker-Snoqualmie National Forest
7:
868:
671:
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471:, and most valleys were ice-free by
424:with craggy peaks, ridges, and deep
190:Tenpeak Mountain (the United States)
861:Places adjacent to Tenpeak Mountain
729:Geographic Names Information System
524:Tenpeak Mountain is located in the
14:
768:. University of Washington Press.
368:. Its nearest higher neighbor is
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908:
891:
613:
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408:was made September 21, 1940, by
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981:Mountains of Washington (state)
812:Tenpeak Mountain aerial photo:
784:United States Geological Survey
734:United States Geological Survey
559:Geography of the North Cascades
677:"Tenpeak Mountain, Washington"
648:"Tenpeak Mountain - 8,312' WA"
620:Tenpeak seen from Glacier Peak
504:, about 35 million years ago.
402:U.S. Board on Geographic Names
160:Show map of Washington (state)
1:
1006:North American 2000 m summits
937:
892:
193:Show map of the United States
917:
909:
49:8,312 ft (2,533 m)
764:Kruckeberg, Arthur (1991).
81:2.10 mi (3.38 km)
1022:
866:
445:volcanic igneous activity
366:Wenatchee National Forest
129:
26:
780:"North Cascades Geology"
109:48.077193°N 121.034382°W
59:536 ft (163 m)
516:is common in the area.
498: million years ago
453:continental lithosphere
346:Glacier Peak Wilderness
240:Glacier Peak Wilderness
824:Tenpeak winter photo:
114:48.077193; -121.034382
576:Mountains portal
437:North American Plate
392:; or north into the
236:Protected area
105: /
818:Weather forecast:
724:"Tenpeak Mountain"
542:maritime influence
412:and Tom Campbell.
374:Topographic relief
39:Highest point
968:
967:
963:
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925:Butterfly Glacier
903:Honeycomb Glacier
790:on August 1, 2013
534:Cascade Mountains
526:marine west coast
382:Honeycomb Glacier
339:
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273:Glacier Peak East
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948:Indian Head Peak
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473:12,000 years ago
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469:18,000 years ago
435:Epoch. With the
398:The Mountaineers
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439:overriding the
426:glacial valleys
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878:Suiattle River
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807:External links
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530:weather fronts
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461:North Cascades
443:, episodes of
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410:Lloyd Anderson
394:Suiattle River
350:North Cascades
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996:Cascade Range
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883:Napeequa Peak
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510:stratovolcano
507:
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441:Pacific Plate
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422:Cascade Range
415:
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411:
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358:Cascade Range
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325:Easiest route
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207:United States
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932:Kololo Peaks
913:
873:Glacier Peak
792:. Retrieved
788:the original
774:
765:
741:. Retrieved
727:
680:
655:. Retrieved
651:
608:North aspect
523:
514:volcanic ash
506:Glacier Peak
485:
459:created the
430:
419:
406:first ascent
341:
340:
331:class 4
314:First ascent
297:Type of rock
272:
248:Parent range
958:Luahna Peak
953:White River
465:Pleistocene
390:White River
370:Luahna Peak
285:Age of rock
112: /
100:121°02′04″W
87:Coordinates
70:Luahna Peak
65:Parent peak
33:West aspect
975:Categories
743:2020-05-22
657:2024-04-07
627:References
354:Washington
334:scrambling
290:Cretaceous
216:Washington
97:48°04′38″N
55:Prominence
546:avalanche
502:oligocene
226:Snohomish
125:Geography
77:Isolation
45:Elevation
794:July 29,
553:See also
493:, about
481:faulting
457:terranes
364:and the
308:Climbing
302:granitic
265:Topo map
582:Gallery
520:Climate
455:called
449:oceanic
416:Geology
378:cirques
348:of the
279:Geology
204:Country
491:period
477:Uplift
433:Eocene
404:. The
386:runoff
230:Chelan
222:County
826:PBase
814:PBase
212:State
796:2013
508:, a
479:and
451:and
318:1940
270:USGS
352:in
977::
782:.
752:^
736:,
732:.
726:.
715:^
689:^
679:.
666:^
650:.
635:^
496:90
475:.
228:/
854:e
847:t
840:v
798:.
746:.
683:.
660:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
