Southwest of Glenwood, the highway descends and then climbs back up Adams Gulch, while passing through the community of the same name.

After running west in the wilderness for almost 10 kilometres, Route 17 passes through Menneval, then Saint-Jean-Baptiste, before heading through Kedgwick, where there is a sharp 90 degree turn.

Approximately 50 kilometres later, Route 17 hits civilization in Saint-Leonard-Parent, nearing its southern terminus.

Passing under the Trans-Canada Highway, Route 17 continues to the Canada–United States border, where it reaches it southern terminus.

[5] The speed limit varies throughout the route, from 50 km/h in Kedgwick and Saint-Quentin, to 90 km/h, on many rural and uninhabited stretches.