This is a list of numbered roads in
Northumberland County, Ontario
Northumberland County is an upper-tier level of municipal government situated on the north shore of Lake Ontario, east of Toronto in Central Ontario. The Northumberland County headquarters are located in Cobourg.
Municipalities
Northumberlan ...
, Canada.
{{Ontario numbered highways
Northumberland
Northumberland () is a county in Northern England, one of two counties in England which border with Scotland. Notable landmarks in the county include Alnwick Castle, Bamburgh Castle, Hadrian's Wall and Hexham Abbey.
It is bordered by land ...