Alberta provincial highway 5 is a relatively short highway of about 120 km in southern Alberta. It extends from Lethbridge to the south-west corner of Alberta. It proceeds south from Lethbridge to Welling at Highway 52 then southwest to Magrath (where it crosses Highway 62), Spring Coulee (where it crosses Highway 820), Cardston (where it crosses Highway 2), Leavitt, and Mountain View. As it enters Waterton Lakes National Park, it crosses Highway 6. Template:Hide = Motto: Template:Unhide = Sunny South City of Lethbridge, Alberta, Canadas Location. ... Magrath, a town in the southern part of the province of Alberta, Canada, has a population of about 2,000 people. ... Cardston is a town in southern Alberta, Canada. ... Cameron Lake, Waterton Lakes National Park Waterton Lakes National Park is a national park located in the extreme southwest corner of Alberta, Canada and borders Glacier National Park in Montana, USA. Waterton Lakes NP was Canadas fourth national park, formed in 1895 and named after Waterton Lakes. ... Alberta provincial highway 6 is a short highway of about 72 km in southern Alberta. ...