  Highway 66 | ||||
|---|---|---|---|---|
 Highway 66 highlighted in red | ||||
| Route information | ||||
| Maintained by the Ministry of Transportation of Ontario | ||||
| Length | 103.5 km[2] (64.3 mi) | |||
| Existed | September 22, 1937[1]–present | |||
| Major junctions | ||||
| West end |  Highway 566 in Matachewan | |||
 Highway 65 near Matachewan Highway 11 near Kirkland Lake Highway 112 in Kirkland Lake | ||||
| East end |   R-117 (TCH) towards Rouyn-Noranda, Quebec | |||
| Location | ||||
| Country | Canada | |||
| Province | Ontario | |||
| Highway system | ||||
| ||||
King's Highway 66, commonly referred to as Highway 66, is a provincially-maintained highway in the Canadian province of Ontario. Located in the Timiskaming District, the highway begins at Matachewan near a junction with Highway 65. It extends eastward for 107.0 kilometres (66.5 mi) to the Quebec boundary just east of Kearns. At the provincial boundary, the highway continues eastward as Route 117. From Highway 11 (41 kilometres (25 mi) east of Matachewan) at Kenogami Lake eastwards to the Quebec boundary, Highway 66 is designated as part of the Trans-Canada Highway.