It extends 59 kilometres (37 mi) westward into the wilderness, ending at a bridge over the Weaver River.

The route was designated in 1976 with the intention of extending it further west, but this extension has yet to be constructed.

[2] There are no communities along Highway 811; it is almost exclusively used for wilderness travel or forest operations.

[citation needed] However, the planned connection to Highway 599 has yet to occur, and an 83 kilometres (52 mi) gap separates Savant Lake from the Weaver River.

[2] The following table lists the major junctions along Highway 811, as noted by the Ministry of Transportation of Ontario.