Canada Ita ce ƙasa mafi girma a Arewacin Amurka ta yankin ƙasa, na biyu a duniya gaba ɗaya. Kasancewar duniya an santa da faɗin shimfidar wuri mai faɗi, haɗakar al'adu daban-daban, da tarihi mai yawan fannoni, Kanada babbar matattarar masu yawon buɗe ido kuma ɗayan ƙasashe masu arziki a duniya.
Dangane da wannan, wannan babbar ƙasa tana da manyan hanyoyi a cikin ƙasashenta. Daya daga cikinsu shine Babbar Hanya Dempster wacce babbar hanya ce wacce ta ratsa hamadar sub-arctic a arewacin Yukon Territory zuwa iyakar arewa maso yammacin Kanada.
A lokacin watannin hunturu, babbar hanyar ta kara tsawon kilomita 194 (mil mil 121) zuwa Tuktoyaktuk, a gabar arewacin Kanada, ta yin amfani da daskararren yanki a cikin Kogin Mackenzie a matsayin babbar hanyar kankara (Hanyar Hunturu ta Tuktoyaktuk).
Babbar hanyar ta ratsa Kogin Peel da Kogin Mackenzie ta amfani da haɗin sabis na jirgin ruwa na zamani da gadoji na kankara.
Babbar hanyar ta fara kimanin kilomita 40 (mil 25) gabas da Dawson City, Yukon akan Babbar Hanyar Klondike kuma ta faɗaɗa kilomita 736 (mil mil 457) zuwa Inuvik.
Mafi yawa daga cikin hanyar suna bin hanyar kare ta sled. An sanya wa titin sunan Sufeto William John Duncan Dempster na Sojan Kawancen Montana wanda, a matsayinsa na matashin wakili, wanda karnuka daga Dawson City suke zuwa Fort McPherson suke tafiya.
An aika Sufeto Dempster da wasu wakilai biyu a cikin aikin ceto a cikin Maris 1911, don nemo Sufeto Francis Joseph Fitzgerald kuma 3 daga cikin mutanensa ba su samu zuwa Dawson City ba. Sunyi bata a hanya, sun mutu sakamakon fallasawa da yunwa. An gano gawar Dempster da mutanensa a ranar 22 ga Maris, 1911.
A cikin 1958, gwamnatin Kanada ta yanke shawara ta tarihi don gina babbar hanya mai nisan kilomita 671 (mil 417) ta hanyar hamada Arctic daga Dawson City zuwa Inuvik. Kuma shine binciken mai da gas ya bunkasa a yankin Mackenzie Delta kuma ana aikin gina garin Inuvik.
An buɗe Babbar Hanya ta Dempster bisa hukuma a ranar 18 ga watan Agusta, 1979, yana buɗewa tare da hanyoyi biyu, tsakuwa ta fito, ga kowace babbar hanyar da ke tafiyar kilomita 671 (mil mil 417) daga Babbar Hanyar Klondike kusa da Dawson City zuwa Fort McPherson da Arctic. A Yankin Arewa maso Yamma.
Tsarin hanyar na musamman ne, akasari saboda tsananin yanayin yanayin da yake fama dashi. Hanyar kanta tana zaune saman dutsen tsakuwa don keɓe dusar ƙanƙara a ƙasan ƙasa. Kaurin layin tsakuwar ya fara daga 1,2 m (3 ft 11 in) zuwa 2,4 m (7 ft 10 in) a wasu wurare. Ba tare da kushin ba, dusar ƙanƙara za ta narke kuma hanyar za ta nitse cikin ƙasa.