Porc-Épic River
The mouth of the Porc-Épic River is located between the territories of the Grands-Jardins National Park and Hautes-Gorges-de-la-Rivière-Malbaie National Park; between Ha! Ha! Lake and the Lac des Martres. The main hydrographic slopes near the Porc-Épic River are:


The Porc-Épic River originates at the mouth of Lac de la Hache (length: ; altitude: ). The mouth of this lake is located at:



From its source (Pimpant Lake), the Porc-Épic River descends on entirely in forested and mountainous zones, with a difference of according to the following segments:


The Porc-Épic River flows into a swirl zone on the west bank of the Malbaie River. This confluence is located at:



From the confluence of the Porc-Épic River, the current flows down the Malbaie River to east, then south-east, which flows over the northwest shore of the St. Lawrence River. The name "Porc-Épic River" appears in the Dictionary of Rivers and Lakes of the Province of Quebec, 1925, page 141. This name was approved on 1963-07-03 by the Commission de géographie du Québec. The toponym "Porc-Épic River" was formalized on December 5, 1968 at the Bank of Place Names of the Commission de toponymie du Quebec.
Geography
Most of the Porc-Épic River flows into the territory of the Zec des Martres, except for the last before reaching its mouth.