▁T aman os ▁Mountain ▁is ▁situated ▁west ▁of ▁Govern ors ▁R idge ▁and ▁n ortheast ▁of ▁the ▁Cow l itz ▁Ch im ne ys , ▁all ▁of ▁which ▁can ▁be ▁seen ▁from ▁the ▁Sun r ise ▁Historic ▁District . ▁The ▁name ▁t aman os ▁der ives ▁from ▁Ch ino ok ▁J arg on ▁and ▁has ▁the ▁meaning ▁of ▁guard ian ▁spirit . ▁The ▁normal ▁clim bing ▁access ▁is ▁from ▁the ▁O wy high ▁L akes ▁Tra il , ▁and ▁from ▁the ▁la kes ▁sc ram ble ▁up ▁the ▁south ▁slope ▁to ▁the ▁sum mit . ▁ ▁Cl imate ▁ ▁T aman os ▁Mountain ▁is ▁located ▁in ▁the ▁marine ▁west ▁coast ▁climate ▁zone ▁of ▁western ▁North ▁America . ▁Most ▁weather ▁front s ▁origin ate ▁in ▁the ▁Pacific ▁Ocean , ▁and ▁travel ▁n ortheast ▁toward ▁the ▁Cas cade ▁Mountains . ▁As ▁front s ▁approach , ▁they ▁are ▁forced ▁up ward ▁by ▁the ▁pe aks ▁of ▁the ▁Cas cade ▁Range ▁( O ro graph ic ▁lift ), ▁causing ▁them ▁to ▁drop ▁their ▁mo ist ure ▁in ▁the ▁form ▁of ▁rain ▁or ▁snow fall ▁onto ▁the ▁C asc ades . ▁As ▁a ▁result , ▁the ▁west ▁side ▁of ▁the ▁C asc ades ▁experiences ▁high ▁precip itation , ▁especially ▁during ▁the ▁winter ▁months ▁in ▁the ▁form ▁of ▁snow fall . ▁During ▁winter ▁months , ▁the ▁weather ▁is ▁usually ▁cloud y , ▁but ▁due ▁to ▁high ▁pressure ▁systems ▁over ▁the ▁Pacific ▁Ocean ▁that ▁intens ify ▁during ▁summer ▁months , ▁there ▁is ▁often ▁little ▁or ▁no ▁cloud ▁cover ▁during ▁the