image lake image lake washington united_states lake surrounded east point west drainage south north course popular miners ridge trail skirts lake seen outlet lake peak reflected lake popular photographic subject result relatively mild temperate climate ample precipitation areas rich natural habitats species plants insects large mammals native americans took advantage resources inhabited area human activity hunting fishing mining recreational increased arrival europeans result areas experienced significant environmental degradation near end end nineteenth century early twentieth century including large predatory animals recreational presence livestock especially problematic early mid twentieth century climate located marine west coast climate zone western north_america weather fronts originate pacific_ocean travel northeast surround fronts approach forced upward peaks cascade range causing drop moisture form rain snowfall result west experiences high precipitation especially winter months form snowfall temperate climate proximity pacific_ocean areas west rarely experience temperatures winter months weather usually cloudy high pressure systems pacific_ocean intensify summer months little cloud cover summer maritime influence snow tends wet heavy resulting high danger global warming expected number negative long term ecological impacts region including drought increased forest fires forest degradation drought disease healthy salmon runs distribution survival plant species especially inhabit alpine environments animals specifically adapted environments adversely affected glaciers expected decreased buildup higher overall temperatures drainage basin area square mile km2 primary outflow small unnamed creek feeds turn drains drains turn sound highest point drainage basin nearly feet sea level lake roughly circular area acres geology activity began area began late cretaceous period million years ago area previously oceanic environment consisting mainly volcanic rocks extensive volcanic activity began place million years ago mountain building area begin approximately million years ago located cloudy pass formation formed approximately million years ago early south image lake began forming mid pleistocene proximity volcanic ash common area plays major role formation soil ice age covered thick glaciers extending near sound prevalent approximately years ago valleys ice free years ago result valleys area deep shaped mountains tend rocky steep slopes narrow ecology flora surrounding area temperate grow lower elevations valley common trees habitat include western western douglas fir middle elevations forests dominated pacific silver fir lesser extent alaska cedar devil club grow moist areas forest floor dominate drier areas mid elevation forests receive precipitation especially form snowfall lower elevations western douglas fir present especially lower edge mid elevation forest zone higher elevations douglas fir largely replaced mountain alaska cedar common elevation increases mid elevation forest zone occupies slopes result occurrence tracks tracks usually occupied smaller shrubs herbs higher elevations mountain fir common trees alaska cedar pine present elevation increases forest increasingly fragmented interspersed meadows consisting grasses herbs shrubs slopes common temperatures vary greatly day high altitude habitat lack forest cover reasons experiences increased solar radiation upper edge trees tend grow small common shrubs include heather mountain trail hiking destructive sub alpine zone zone trees common trees manage gain branches high winds increased snowfall growing seasons months trees known means bent wood german heather herbs grasses present sparse temperatures greatly making difficult growing season fauna wildlife common area ecosystem tend live large social groups play role regulating alpine vegetation eagles hawks common predatory animals clark gray common species present insects common larger animals common present bear photographed near cascade pass october living south canadian border wolves pine black bears present usually detected camera traps summer bears consume day preparation phase known attempts introduce region mainly nocturnal solitary secretive seldom seen wolves 1930s began establishing resident packs early common large black tailed deer subspecies deer common mountain goats adapted steep terrain cold temperatures usually found lower elevations species bats live history archaeological evidence native americans area years present present cascade pass years wild game apparently utilized native americans exploited years present routes passed region natural resources summer tribes mountains incorporated religions routes followed ridge tops order avoid dense brush valley bottoms horses eighteenth century trail native americans route valley trail apparently traversed distance east lake later miners early 1900s banned popularity area continued grow area popularity surrounding meadows deteriorated result livestock grazing trail hiking result livestock allocated nearby plants introduced area surrounding lake image lake originally called mirror lake given present april employees lake surveyed july planned dig open pit copper basin approximately mile east protests advocacy groups prevented plan developing floods washed large portions beginning miles making accessible trinity august construction crews repairing road scheduled open limited budget effort rebuild road criticized environmental groups partly lower visitors access west impossible inaccessible west necessary access lake east day trinity hiking trail accessed road july washed approximately miles access difficult accessed east cascade crest west trail begins following eventually reaching open meadows views alpine route leads little trail leads pass miles southeast update river road fixed closed
Image Lake