| Province: | SK |
| Type: | Hwy |
| Route: | 40 |
| Photo Width: | 250 |
| Length Km: | 280.5 |
| Length Round: | 1 |
| Direction A: | West |
| Terminus A: | at Alberta border near Marsden |
| Junction: |
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| Direction B: | East |
| Terminus B: | near Shellbrook |
| Cities: | North Battleford |
| Towns: | Cut Knife, Battleford, Blaine Lake |
| Rural Municipalities: | Manitou Lake No. 442, Hillsdale No. 440, Cut Knife No. 439, Battle River No. 438, North Battleford No. 437, Redberry No. 435, Blaine Lake No. 434, Leask No. 464, Shellbrook No. 493 |
| Previous Type: | Hwy |
| Previous Route: | 39 |
| Next Type: | Hwy |
| Next Route: | 41 |
Highway 40 is a provincial highway in the north-west portion of the Canadian province of Saskatchewan connecting Alberta (where it continues as Highway 14) to Highway 3, 4km (02miles) west of Shellbrook, Saskatchewan. Areas of this highway between the Alberta border and North Battleford are called the Poundmaker Trail. Poundmaker (1842 - 4 July 1886), also known as Pitikwahanapiwiyin, was a Plains Cree chief known as a peacemaker and defender of his people.[1] This is a primary Saskatchewan highway maintained by the provincial government. The highway is about 280km (170miles) long and is entirely paved.
Notable communities along the route include Marsden,[2] Neilburg,[3] Baldwinton, Cut Knife, Sweetgrass First Nation, Battleford (capital city of the NWT from 1876-1883), North Battleford (Battleford and North Battleford are known as The Battlefords), Hafford,[4] Krydor, Blaine Lake, Marcelin, Leask, and Parkside.
Attractions accessible from Highway 40 include:
From west to east:[8]