[6] The free passenger ferry takes five minutes to make the 0.9 kilometres (0.56 mi) crossing, but only runs between April and December.

After the river has frozen over it can be crossed by snowmobile over the "Route Blanche" ice bridge.

The name Saint-Augustin was given to the river in the 18th century, and then to the village on the east shore of its mouth.

[7] The Saint-Augustin River basin covers 9,892 square kilometres (3,819 sq mi).

[11] A map of the ecological regions of Quebec shows the river in sub-regions 6o-T, 6n-T and 6m-S of the east spruce/moss subdomain.

[12] Land cover in the watershed is 74.3% forest, 12.9% non-forest vegetation, 3.1% barren, 1.3% wetlands and 8% water.

[16] The Pourvoirie Kecarpoui arranges fishing/camping expeditions that include the Véco, Kécarpoui, Saint-Augustin, Coxipi, Chécatica and Napetipi rivers.