Alberta Provincial Highway No. 33, commonly referred to as Highway 33 and officially named Grizzly Trail, is a north–south highway in west–central Alberta, Canada. Highway 33 begins at Highway 43 near the hamlet of Gunn and travels north to the town of Barrhead. North of Barrhead, Highway 33 turns northwest, crossing the Athabasca River at Fort Assiniboine, before reaching the town of Swan Hills. Highway 33 continues north from Swan Hills to Highway 2 east of Kinuso. Highway 33 is about 219 kilometres (136 mi) in length.