Upper Centennial Parkway is a mountain-access road in
Hamilton, Ontario,
Canada. Also known as Hamilton Highway 20, the road begins at its north end at
Centennial Parkway in the Lower City of Hamilton beside
Battlefield Park, and extends south up the
Niagara Escarpment and southward across the mountain where it ends at
Rymal Road. It is a two-way street throughout. South of Rymal Road, it continues as Regional Road 56.
It is named Upper Centennial Parkway because it is in alignment with
Centennial Parkway in Lower City Hamilton.