The rivière aux Pins (English: Pine River) is a tributary of the south shore of the Saint Lawrence River, flowing in the city of Boucherville, in the administrative region of Montérégie , southwest of province of Quebec, in Canada. The intermediate part of this watercourse delimits the agricultural area and the urban area of Boucherville. The river surface is generally frozen from mid-December to the end of March. Safe circulation on the ice is generally done from the end of December to the beginning of March. The water level of the river varies with the seasons and the precipitation.