Ontario Highway 810
| Route information | |||||||
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| Maintained by Ministry of Transportation of Ontario | |||||||
| Length | 42.6 km (26.5 mi) | ||||||
| Existed | November 20, 1974–present | ||||||
| Major junctions | |||||||
| South end | Highway 553 at Bull Lake | ||||||
| North end | Richie Falls | ||||||
| Location | |||||||
| Country | Canada | ||||||
| Province | Ontario | ||||||
| Districts | Algoma | ||||||
| Highway system | |||||||
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Tertiary Highway 810, commonly referred to as Highway 810, is a provincially maintained access road, extending from Bull Lake to Richie Falls alongside the River aux Sables north of Massey. A northerly extension of Highway 553, the road was established in 1974 and has remained unchanged since then.