King's Highway 85, commonly referred to as Highway 85, is a provincially maintained highway in the Canadian province of Ontario, connecting Highway 7 to immediately north of the Waterloo city limits. The 10-kilometre (6.2 mi) highway, which is mostly controlled-access, travels through the Regional Municipality of Waterloo along the Conestoga Parkway from its interchange with Highway 7, which continues south along the parkway, to an interchange with Regional Road 15 (King Street), where it continues as to St. Jacobs.