Highway 904 is a provincial highway in the northwest region of the Canadian province of Saskatchewan. It connects the north end of Highway 4 (and the east end of Highway 224) in the Meadow Lake Provincial Park (part of Meadow Lake No. 588) with Highway 903 south of Cole Bay, intersecting Provincial Road 951 within the park. Highway 904 is about 71 km (44 mi) long. Highway 904 and part of Highway 903 north of Highway 904 were once Highway 104, a northerly extension of Highway 4.