The rivière à Ange (English: Angel River) is a tributary of the West shore of the ruisseau du Pied du Mont (English: stream of the Mount Foot), flowing entirely in the town of Baie-Saint-Paul, in the Charlevoix Regional County Municipality, in the administrative region of Capitale-Nationale, in the province of Quebec, in Canada.

The water level of the river varies with the seasons and the precipitation; the spring flood generally occurs in April.

The mouth of this lake is located at: From its source, the course of the river at Ange descends on 5.0 kilometres (3.1 mi) with a drop of 291 metres (955 ft), according to the following segments: The river at Ange flows in a bend on the west bank of the ruisseau du Pied du Mont in Baie-Saint-Paul.

According to oral testimony collected in 1970, this toponym refers to the first name of the guardian of the Lac Équerre facilities.

[2] The toponym “Rivière à Ange” was formalized on March 25, 1997, at the Place Names Bank of the Commission de toponymie du Québec.