 Approximately south of Burleigh Falls, the route descends a hill and enters the Canadian Shield; south of this point, the terrain is underlain by limestone and covered by deciduous forests, whereas north of it the terrain is dominated by exposed granite bedrock and coniferous forests.Within Burleigh Falls, Highway 28 encounters the eastern terminus of the former Highway 36.From there it continues northeast through the rugged shield to Highway 118, at which point it has curved fully to the east.