142:
182:
149:
485:
175:
534:
497:
509:
29:
392:). As a result, the west side of the 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.
463:
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
412:
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
351:
drainage basin. Precipitation runoff from the mountain drains west into headwaters of Gold Creek, or east into
Glacier Lake. The mountain was named in the 1890s for brothers John, Tom, Vic, and Lawrie Denny, miners who lived in a cabin at the base of the four peaks.
97:
727:
141:
526:
472:
in combination with glaciation have been the dominant processes which have created the tall peaks and deep valleys of the Alpine Lakes
Wilderness area.
496:
417:
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
174:
722:
638:
737:
701:
629:
380:. As fronts approach, they are forced upward by the peaks of the Cascade Range, causing them to drop their moisture in the form of
634:
265:
484:
90:
339:
traverses the west slope of Four
Brothers, and again on the east side as it crosses the gap between Four Brothers and
304:
229:
508:
324:
624:
445:
320:
308:
287:
239:
219:
732:
67:
57:
80:
614:
Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.
429:
441:
424:
The history of the formation of the
Cascade Mountains dates back millions of years ago to the late
336:
706:
377:
361:
538:
469:
389:
328:
260:
453:
405:
246:
716:
433:
401:
373:
369:
365:
344:
332:
253:
72:
34:
418:
348:
340:
280:
460:
28:
565:
400:
The Alpine Lakes
Wilderness features some of the most rugged topography in the
112:
99:
414:
464:
cross section of the river valleys is a result of that recent glaciation.
385:
331:, on Chikamin Ridge, 0.73 miles (1.17 km) southeast of its parent,
465:
449:
437:
409:
586:
425:
300:
47:
381:
327:. Four Brothers is 4 miles (6.4 km) northeast of
610:
608:
606:
707:
Alpine Lakes
Wilderness (Wenatchee National Forest)
279:
274:
259:
245:
235:
225:
215:
207:
128:
89:
79:
66:
56:
46:
41:
21:
502:Chikamin Peak and Four Brothers (right) in winter
299:is a 6,485-foot-elevation (1,977-meter) mountain
660:Backpacking Washington's Alpine Lakes Wilderness
440:persisted. In addition, small fragments of the
581:
579:
8:
677:
675:
673:
671:
669:
527:List of peaks of the Alpine Lakes Wilderness
684:The Natural History of Puget Sound Country
662:. Helena, Montana: The Globe Pequot Press.
18:
728:Mountains of Kittitas County, Washington
639:United States Department of the Interior
550:
480:
181:
148:
7:
560:
558:
556:
554:
630:Geographic Names Information System
404:with craggy peaks and ridges, deep
587:"Four Brothers, South - 6,485' WA"
376:, and travel northeast toward the
14:
686:. University of Washington Press.
194:Four Brothers (the United States)
532:
507:
495:
483:
360:Four Brothers is located in the
319:Four Brothers is set within the
180:
173:
147:
140:
27:
16:Mountain in Washington state, US
723:Mountains of Washington (state)
635:United States Geological Survey
343:. The mountain is part of the
164:Show map of Washington (state)
1:
738:North American 1000 m summits
197:Show map of the United States
456:about 50 million years ago.
52:6,485 ft (1,977 m)
682:Kruckeberg, Arthur (1991).
566:"Four Brothers, Washington"
85:0.73 mi (1.17 km)
754:
438:volcanic igneous activity
325:Wenatchee National Forest
133:
26:
364:climate zone of western
113:47.465751°N 121.304877°W
446:continental lithosphere
321:Alpine Lakes Wilderness
240:Alpine Lakes Wilderness
62:205 ft (62 m)
33:Southwest aspect, from
161:Location in Washington
118:47.465751; -121.304877
658:Smoot, Jeff (2004).
539:Mountains portal
430:North American Plate
709:U.S. Forest Service
388:onto the Cascades (
337:Pacific Crest Trail
323:on land managed by
236:Protected area
109: /
347:and is within the
42:Highest point
378:Cascade Mountains
372:originate in the
362:marine west coast
294:
293:
745:
688:
687:
679:
664:
663:
655:
649:
648:
646:
645:
621:
615:
612:
601:
600:
598:
597:
583:
574:
573:
562:
537:
536:
535:
511:
499:
487:
428:Epoch. With the
283:
249:
198:
184:
183:
177:
165:
151:
150:
144:
124:
123:
121:
120:
119:
114:
110:
107:
106:
105:
102:
31:
19:
753:
752:
748:
747:
746:
744:
743:
742:
713:
712:
697:
692:
691:
681:
680:
667:
657:
656:
652:
643:
641:
625:"Four Brothers"
623:
622:
618:
613:
604:
595:
593:
591:listsofjohn.com
585:
584:
577:
564:
563:
552:
547:
533:
531:
523:
518:
515:
512:
503:
500:
491:
488:
478:
432:overriding the
406:glacial valleys
398:
390:Orographic lift
358:
329:Snoqualmie Pass
317:
305:Kittitas County
290:Southwest slope
281:
247:
203:
202:
201:
200:
199:
196:
195:
192:
191:
190:
189:
185:
168:
167:
166:
163:
162:
159:
158:
157:
156:
152:
117:
115:
111:
108:
103:
100:
98:
96:
95:
37:
17:
12:
11:
5:
751:
749:
741:
740:
735:
730:
725:
715:
714:
711:
710:
704:
696:
695:External links
693:
690:
689:
665:
650:
616:
602:
575:
570:Peakbagger.com
549:
548:
546:
543:
542:
541:
529:
522:
519:
517:
516:
513:
506:
504:
501:
494:
492:
489:
482:
479:
477:
474:
454:North Cascades
436:, episodes of
397:
394:
370:weather fronts
357:
354:
316:
313:
292:
291:
285:
277:
276:
272:
271:
263:
257:
256:
251:
243:
242:
237:
233:
232:
227:
223:
222:
217:
213:
212:
209:
205:
204:
193:
187:
186:
179:
178:
172:
171:
170:
169:
160:
154:
153:
146:
145:
139:
138:
137:
136:
135:
134:
131:
130:
126:
125:
93:
87:
86:
83:
77:
76:
70:
64:
63:
60:
54:
53:
50:
44:
43:
39:
38:
32:
24:
23:
15:
13:
10:
9:
6:
4:
3:
2:
750:
739:
736:
734:
733:Cascade Range
731:
729:
726:
724:
721:
720:
718:
708:
705:
703:
702:Four Brothers
699:
698:
694:
685:
678:
676:
674:
672:
670:
666:
661:
654:
651:
640:
636:
632:
631:
626:
620:
617:
611:
609:
607:
603:
592:
588:
582:
580:
576:
571:
567:
561:
559:
557:
555:
551:
544:
540:
530:
528:
525:
524:
520:
514:Four Brothers
510:
505:
498:
493:
486:
481:
475:
473:
471:
467:
462:
457:
455:
451:
447:
443:
439:
435:
434:Pacific Plate
431:
427:
422:
420:
416:
411:
407:
403:
402:Cascade Range
395:
393:
391:
387:
383:
379:
375:
374:Pacific Ocean
371:
367:
366:North America
363:
355:
353:
350:
346:
345:Cascade Range
342:
338:
334:
333:Chikamin Peak
330:
326:
322:
314:
312:
310:
306:
302:
298:
297:Four Brothers
289:
286:
284:
282:Easiest route
278:
273:
270:
269:Chikamin Peak
267:
264:
262:
258:
255:
254:Cascade Range
252:
250:
244:
241:
238:
234:
231:
228:
224:
221:
218:
214:
211:United States
210:
206:
188:Four Brothers
176:
155:Four Brothers
143:
132:
127:
122:
94:
92:
88:
84:
82:
78:
74:
73:Chikamin Peak
71:
69:
65:
61:
59:
55:
51:
49:
45:
40:
36:
35:Alta Mountain
30:
25:
22:Four Brothers
20:
683:
659:
653:
642:. Retrieved
628:
619:
594:. Retrieved
590:
569:
458:
452:created the
423:
419:Mount Stuart
399:
359:
349:Yakima River
341:Three Queens
318:
296:
295:
288:class 2
268:
248:Parent range
490:East aspect
461:Pleistocene
459:During the
315:Description
303:located in
116: /
104:121°18′18″W
91:Coordinates
75:(7,000+ ft)
68:Parent peak
717:Categories
644:2019-12-27
596:2020-07-21
545:References
415:ecoregions
309:Washington
220:Washington
101:47°27′57″N
58:Prominence
700:Weather:
129:Geography
81:Isolation
48:Elevation
521:See also
470:faulting
450:terranes
386:snowfall
275:Climbing
261:Topo map
230:Kittitas
476:Gallery
448:called
442:oceanic
410:granite
396:Geology
368:. Most
356:Climate
311:state.
208:Country
466:Uplift
426:Eocene
408:, and
335:. The
301:summit
226:County
216:State
468:and
444:and
382:rain
266:USGS
384:or
307:of
719::
668:^
637:,
633:.
627:.
605:^
589:.
578:^
568:.
553:^
421:.
647:.
599:.
572:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
