Highway 21

Highway 21
Bluewater Highway Maintained by the Ministry of Transportation
South end:	Hwy 402 near Wyoming
Major junctions:	Hwy 8 in Goderich Hwy 9 in Kincardine
North end:	Hwy 6 / Hwy 10 / Hwy 26 in Owen Sound
Major cities:	Grand Bend, Goderich, Kincardine, Southampton, Port Elgin, Owen Sound
Ontario provincial highways < Hwy 20 Hwy 23 > 400-series - County

Highway 21 begins its concurrency with Highway 6 in Owen Sound.

Highway 21 is a Provincial Highway in Ontario, Canada which begins at Highway 402 (Ontario) at the south, to Highways 6 and 26 in Owen Sound at the north. The roadway is referred to as the Bluewater Highway, from how it remains very close to the blue waters of Lake Huron.

Notable towns are Forest, Grand Bend, Goderich, Point Clark, Kincardine, Tiverton (Bruce Nuclear Generating Station), Port Elgin, and Southampton, Ontario. Much of this route is along the eastern shore of Lake Huron. The road is generally smoothly-flowing, but can be somewhat congested near main towns in the summer from tourists and beachgoers but mostly empty in the winter.

During winter months Highway 21 is often subject to closures at various points as it lies on the lee shore of Lake Huron. Lake effect snow squalls frequently subject motorists to poor visibility and slippery conditions. The road also serves as a vital link along the shore from Owen Sound, towards Highway 402 (with Highway 23 to the east providing an alternate north-south corridor further inland).

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