139:
179:
146:
172:
481:
344:
29:
449:
460:
period dating back over two million years ago, glaciation advancing and retreating repeatedly scoured the landscape leaving deposits of rock debris. The last glacial retreat in the Alpine Lakes area began about 14,000 years ago and was north of the Canada–US border by 10,000 years ago. The U-shaped
401:
walls spotted with over 700 mountain lakes. 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
380:
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.
94:
368:. As fronts approach, they are forced upward by the peaks of the Cascade Range, causing them to drop their moisture in the form of rain or snow onto the Cascades (
469:
in combination with glaciation have been the dominant processes which have created the tall peaks and deep valleys of the Alpine Lakes
Wilderness area.
372:). As a result, the west side of the Cascades experiences high precipitation, especially during the winter months in the form of snowfall. Because of
406:
in this area. The elevation range of this area is between about 1,000 feet (300 m) in the lower elevations to over 9,000 feet (2,700 m) on
673:
663:
138:
490:
631:
329:
69:
171:
658:
317:
336:
is 1.85 mi (2.98 km) to the southeast. Mount
Defiance can be reached by trail, with access via the Ira Spring,
64:
262:
87:
642:
563:
Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.
413:
The history of the formation of the
Cascade Mountains dates back millions of years ago to the late
434:
309:
301:
297:
236:
226:
216:
668:
54:
77:
636:
418:
8:
430:
365:
357:
485:
333:
325:
466:
373:
369:
313:
257:
519:
442:
394:
389:
The Alpine Lakes
Wilderness features some of the most rugged topography in the
321:
243:
343:
652:
422:
390:
361:
305:
250:
109:
96:
407:
337:
277:
461:
cross section of the river valleys is a result of that recent glaciation.
457:
540:
403:
377:
462:
438:
426:
398:
28:
312:. Mount Defiance is situated 6.5 mi (10.5 km) west of
414:
284:
44:
637:
Alpine Lakes
Wilderness (Mt. Baker-Snoqualmie National Forest)
448:
364:
originating in the
Pacific Ocean travel northeast toward the
332:, 3.96 mi (6.37 km) to the east-southeast, and
296:
is a 5,584-foot (1,702-metre) mountain summit located in
347:
Mount
Defiance and Mason Lake seen from Bandera Mountain
376:, snow tends to be wet and heavy, resulting in high
557:
650:
590:Backpacking Washington's Alpine Lakes Wilderness
429:persisted. In addition, small fragments of the
324:on the mountain drains into tributaries of the
535:
533:
16:Mountain in Washington (state), United States
607:
605:
603:
601:
599:
491:List of peaks of the Alpine Lakes Wilderness
571:
569:
614:The Natural History of Puget Sound Country
611:
592:. Helena, Montana: The Globe Pequot Press.
530:
596:
566:
447:
342:
360:climate zone of western North America.
674:Mount Baker-Snoqualmie National Forest
651:
318:Mount Baker-Snoqualmie National Forest
178:
145:
587:
664:Mountains of King County, Washington
581:
514:
512:
510:
508:
506:
393:with craggy peaks and ridges, deep
13:
191:Mount Defiance (the United States)
14:
685:
624:
616:. University of Washington Press.
503:
356:Mount Defiance is located in the
479:
177:
170:
144:
137:
27:
659:Mountains of Washington (state)
575:
161:Show map of Washington (state)
1:
541:"Defiance, Mount - 5,584' WA"
496:
328:. The nearest higher peak is
194:Show map of the United States
520:"Mount Defiance, Washington"
445:about 50 million years ago.
340:, or Pratt Lake trailheads.
49:5,584 ft (1,702 m)
7:
612:Kruckeberg, Arthur (1991).
472:
82:4.06 mi (6.53 km)
33:Mount Defiance, east aspect
10:
690:
384:
351:
59:1,424 ft (434 m)
643:Mount Defiance Trail 1009
427:volcanic igneous activity
276:
271:
256:
242:
232:
222:
212:
204:
130:
125:
86:
76:
63:
53:
43:
38:
26:
21:
304:state. It's part of the
435:continental lithosphere
310:Alpine Lakes Wilderness
237:Alpine Lakes Wilderness
110:47.435274°N 121.56447°W
453:
348:
158:Location in Washington
451:
346:
115:47.435274; -121.56447
588:Smoot, Jeff (2004).
486:Mountains portal
419:North American Plate
645:U.S. Forest Service
639:U.S. Forest Service
316:on land managed by
233:Protected area
106: /
454:
374:maritime influence
349:
308:and is within the
39:Highest point
366:Cascade Mountains
358:marine west coast
291:
290:
681:
632:weather forecast
618:
617:
609:
594:
593:
585:
579:
573:
564:
561:
555:
554:
552:
551:
537:
528:
527:
516:
484:
483:
482:
452:Southwest aspect
417:Epoch. With the
334:Bandera Mountain
330:Granite Mountain
326:Snoqualmie River
320:. Precipitation
280:
246:
195:
181:
180:
174:
162:
148:
147:
141:
121:
120:
118:
117:
116:
111:
107:
104:
103:
102:
99:
70:Granite Mountain
31:
19:
18:
689:
688:
684:
683:
682:
680:
679:
678:
649:
648:
630:Mount Defiance
627:
622:
621:
610:
597:
586:
582:
574:
567:
562:
558:
549:
547:
545:listsofjohn.com
539:
538:
531:
518:
517:
504:
499:
480:
478:
475:
421:overriding the
395:glacial valleys
387:
370:Orographic lift
354:
314:Snoqualmie Pass
278:
244:
200:
199:
198:
197:
196:
193:
192:
189:
188:
187:
186:
182:
165:
164:
163:
160:
159:
156:
155:
154:
153:
149:
114:
112:
108:
105:
100:
97:
95:
93:
92:
34:
17:
12:
11:
5:
687:
677:
676:
671:
666:
661:
647:
646:
640:
634:
626:
625:External links
623:
620:
619:
595:
580:
565:
556:
529:
524:Peakbagger.com
501:
500:
498:
495:
494:
493:
488:
474:
471:
443:North Cascades
425:, episodes of
386:
383:
362:Weather fronts
353:
350:
294:Mount Defiance
289:
288:
282:
274:
273:
269:
268:
260:
254:
253:
248:
240:
239:
234:
230:
229:
224:
220:
219:
214:
210:
209:
206:
202:
201:
190:
185:Mount Defiance
184:
183:
176:
175:
169:
168:
167:
166:
157:
152:Mount Defiance
151:
150:
143:
142:
136:
135:
134:
133:
132:
131:
128:
127:
123:
122:
90:
84:
83:
80:
74:
73:
67:
61:
60:
57:
51:
50:
47:
41:
40:
36:
35:
32:
24:
23:
22:Mount Defiance
15:
9:
6:
4:
3:
2:
686:
675:
672:
670:
669:Cascade Range
667:
665:
662:
660:
657:
656:
654:
644:
641:
638:
635:
633:
629:
628:
615:
608:
606:
604:
602:
600:
591:
584:
577:
572:
570:
560:
546:
542:
536:
534:
525:
521:
515:
513:
511:
509:
507:
502:
492:
489:
487:
477:
476:
470:
468:
464:
459:
450:
446:
444:
440:
436:
432:
428:
424:
423:Pacific Plate
420:
416:
411:
409:
405:
400:
396:
392:
391:Cascade Range
382:
379:
375:
371:
367:
363:
359:
345:
341:
339:
335:
331:
327:
323:
319:
315:
311:
307:
306:Cascade Range
303:
299:
295:
286:
283:
281:
279:Easiest route
275:
270:
267:
264:
261:
259:
255:
252:
251:Cascade Range
249:
247:
241:
238:
235:
231:
228:
225:
221:
218:
215:
211:
208:United States
207:
203:
173:
140:
129:
124:
119:
91:
89:
85:
81:
79:
75:
71:
68:
66:
62:
58:
56:
52:
48:
46:
42:
37:
30:
25:
20:
613:
589:
583:
559:
548:. Retrieved
544:
523:
455:
441:created the
412:
408:Mount Stuart
388:
355:
338:Talapus Lake
293:
292:
265:
245:Parent range
458:Pleistocene
456:During the
298:King County
113: /
101:121°33′52″W
88:Coordinates
65:Parent peak
653:Categories
550:2020-07-12
497:References
404:ecoregions
302:Washington
217:Washington
98:47°26′07″N
72:(5,633 ft)
55:Prominence
378:avalanche
126:Geography
78:Isolation
45:Elevation
473:See also
467:faulting
439:terranes
272:Climbing
258:Topo map
578:, p. 16
437:called
431:oceanic
399:granite
385:Geology
352:Climate
266:Bandera
205:Country
576:Beckey
463:Uplift
415:Eocene
397:, and
322:runoff
285:Hiking
223:County
287:trail
213:State
465:and
433:and
263:USGS
227:King
300:of
655::
598:^
568:^
543:.
532:^
522:.
505:^
410:.
553:.
526:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
