145:
185:
152:
178:
495:
36:
375:
411:
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
428:. 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
403:), causing them to drop their moisture in the form of rain or snow 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
474:
period dating back over two million years ago, glaciation advancing and retreating repeatedly scoured the landscape leaving deposits of rock debris. The U-shaped cross section of the river valleys is a result of recent glaciation.
672:
100:
687:
144:
177:
667:
692:
483:
in combination with glaciation have been the dominant processes which have created the tall peaks and deep valleys of the North
Cascades area.
352:
513:
508:
268:
232:
93:
76:
348:
242:
682:
456:
368:
336:
222:
20:
677:
412:
Crest very rarely experience temperatures below 0 °F (−18 °C) or above 80 °F (27 °C).
340:
71:
61:
652:
344:
83:
584:
Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.
440:
452:
435:
The history of the formation of the
Cascade Mountains dates back millions of years ago to the late
399:. As fronts approach the North Cascades, they are forced upward by the peaks of the Cascade Range (
364:
283:
359:. The nearest higher peak is Buckeye Peak, 3.34 miles (5.38 km) to the west. Precipitation
388:
500:
332:
35:
480:
404:
400:
263:
374:
464:
425:
360:
328:
249:
661:
444:
421:
396:
392:
256:
304:
567:
471:
490:
311:
115:
102:
429:
408:
292:
476:
460:
448:
420:
The North
Cascades features some of the most rugged topography in the
540:
436:
324:
51:
356:
288:
355:. The mountain was named by miners for its resemblance to an
395:
coming off the
Pacific Ocean travel northeast toward the
407:, snow tends to be wet and heavy, resulting in high
363:from Jumbo Mountain drains into tributaries of the
303:
298:
282:
277:
262:
248:
238:
228:
218:
210:
131:
92:
82:
70:
60:
50:
45:
28:
451:persisted. In addition, small fragments of the
535:
533:
531:
529:
16:Mountain in Washington (state), United States
8:
628:
626:
624:
622:
391:climate zone of western North America. Most
609:
607:
594:
592:
590:
635:The Natural History of Puget Sound Country
25:
673:Mountains of Snohomish County, Washington
339:state. It is located four miles south of
373:
323:is a 5,825-foot-elevation (1,775-meter)
164:Location of Jumbo Mountain in Washington
525:
688:Mount Baker-Snoqualmie National Forest
353:Mount Baker-Snoqualmie National Forest
184:
151:
7:
562:
560:
424:with craggy peaks, ridges, and deep
378:Jumbo Mountain seen from Highway 530
197:Jumbo Mountain (the United States)
40:Jumbo Mountain seen from the north
14:
637:. University of Washington Press.
387:Jumbo Mountain is located in the
514:Geology of the Pacific Northwest
493:
183:
176:
150:
143:
34:
668:Mountains of Washington (state)
613:
598:
509:Geography of the North Cascades
167:Show map of Washington (state)
1:
693:North American 1000 m summits
327:near the western edge of the
200:Show map of the United States
568:"Jumbo Mountain, Washington"
541:"Jumbo Mountain WA - 5,825'"
467:about 50 million years ago.
351:on land administered by the
56:5,825 ft (1,775 m)
633:Kruckeberg, Arthur (1991).
88:3.34 mi (5.38 km)
709:
66:1,765 ft (538 m)
18:
449:volcanic igneous activity
136:
33:
651:Jumbo Mountain weather:
349:Boulder River Wilderness
347:. It is situated in the
243:Boulder River Wilderness
19:Not to be confused with
457:continental lithosphere
116:48.195654°N 121.59959°W
21:Jumbo Mountain (Canada)
379:
341:Darrington, Washington
377:
345:Mountain Loop Highway
121:48.195654; -121.59959
441:North American Plate
365:Stillaguamish River
239:Protected area
112: /
405:maritime influence
380:
46:Highest point
653:Mountain Forecast
397:Cascade Mountains
389:marine west coast
317:
316:
700:
639:
638:
630:
617:
611:
602:
596:
585:
582:
576:
575:
564:
555:
554:
552:
551:
537:
503:
501:Mountains portal
498:
497:
496:
439:Epoch. With the
333:Snohomish County
307:
252:
201:
187:
186:
180:
168:
154:
153:
147:
127:
126:
124:
123:
122:
117:
113:
110:
109:
108:
105:
38:
26:
708:
707:
703:
702:
701:
699:
698:
697:
658:
657:
648:
643:
642:
632:
631:
620:
612:
605:
597:
588:
583:
579:
566:
565:
558:
549:
547:
539:
538:
527:
522:
499:
494:
492:
489:
443:overriding the
426:glacial valleys
418:
401:orographic lift
385:
319:
305:
250:
206:
205:
204:
203:
202:
199:
198:
195:
194:
193:
192:
188:
171:
170:
169:
166:
165:
162:
161:
160:
159:
155:
120:
118:
114:
111:
106:
103:
101:
99:
98:
41:
24:
17:
12:
11:
5:
706:
704:
696:
695:
690:
685:
683:North Cascades
680:
675:
670:
660:
659:
656:
655:
647:
646:External links
644:
641:
640:
618:
603:
586:
577:
572:Peakbagger.com
556:
524:
523:
521:
518:
517:
516:
511:
505:
504:
488:
485:
465:North Cascades
447:, episodes of
432:in this area.
417:
414:
393:weather fronts
384:
381:
329:North Cascades
321:Jumbo Mountain
315:
314:
309:
301:
300:
296:
295:
286:
280:
279:
275:
274:
266:
260:
259:
254:
246:
245:
240:
236:
235:
230:
226:
225:
220:
216:
215:
212:
208:
207:
196:
191:Jumbo Mountain
190:
189:
182:
181:
175:
174:
173:
172:
163:
158:Jumbo Mountain
157:
156:
149:
148:
142:
141:
140:
139:
138:
137:
134:
133:
129:
128:
96:
90:
89:
86:
80:
79:
74:
68:
67:
64:
58:
57:
54:
48:
47:
43:
42:
39:
31:
30:
29:Jumbo Mountain
15:
13:
10:
9:
6:
4:
3:
2:
705:
694:
691:
689:
686:
684:
681:
679:
678:Cascade Range
676:
674:
671:
669:
666:
665:
663:
654:
650:
649:
645:
636:
629:
627:
625:
623:
619:
615:
610:
608:
604:
600:
595:
593:
591:
587:
581:
578:
573:
569:
563:
561:
557:
546:
545:Lists of John
542:
536:
534:
532:
530:
526:
519:
515:
512:
510:
507:
506:
502:
491:
486:
484:
482:
478:
473:
468:
466:
462:
458:
454:
450:
446:
445:Pacific Plate
442:
438:
433:
431:
427:
423:
422:Cascade Range
415:
413:
410:
406:
402:
398:
394:
390:
382:
376:
372:
370:
366:
362:
358:
354:
350:
346:
342:
338:
334:
330:
326:
322:
313:
310:
308:
306:Easiest route
302:
297:
294:
290:
287:
285:
281:
276:
273:
270:
267:
265:
261:
258:
257:Cascade Range
255:
253:
247:
244:
241:
237:
234:
231:
227:
224:
221:
217:
214:United States
213:
209:
179:
146:
135:
130:
125:
97:
95:
91:
87:
85:
81:
78:
77:Three Fingers
75:
73:
69:
65:
63:
59:
55:
53:
49:
44:
37:
32:
27:
22:
634:
580:
571:
548:. Retrieved
544:
469:
463:created the
434:
419:
386:
343:, along the
320:
318:
284:Type of rock
272:Helena Ridge
271:
251:Parent range
472:Pleistocene
470:During the
119: /
107:121°35′59″W
94:Coordinates
72:Parent peak
662:Categories
550:2024-04-07
520:References
430:ecoregions
369:Sauk River
337:Washington
312:Scrambling
223:Washington
104:48°11′44″N
62:Prominence
409:avalanche
293:Sandstone
233:Snohomish
132:Geography
84:Isolation
52:Elevation
487:See also
481:faulting
461:terranes
357:elephant
299:Climbing
264:Topo map
616:, p. 16
601:, p. 15
459:called
453:oceanic
416:Geology
383:Climate
278:Geology
211:Country
614:Beckey
599:Beckey
477:Uplift
437:Eocene
361:runoff
325:summit
229:County
331:, in
289:Shale
219:State
479:and
455:and
367:and
291:and
269:USGS
335:of
664::
621:^
606:^
589:^
570:.
559:^
543:.
528:^
371:.
574:.
553:.
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
