Wallbridge is an unorganized geographic township in Parry Sound District, Ontario, Canada.
[1][2] Part of the census subdivision of Unorganized Centre Parry Sound District, the township includes the communities of Britt, Byng Inlet and Harris Lake and the rail sidings of Drocourt and North Magnetawan.
Although not an incorporated municipality, Britt and Byng Inlet are jointly served by a local services board.
The township is adjacent to Georgian Bay on Lake Huron.
The Magnetawan River flows from east to west across the breadth of the township to its mouth on Lake Huron.