| Rivière à la Carpe | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Saguenay-Lac-Saint-Jean |
| Subdivision Type4: | MRC |
| Subdivision Name4: | Le Domaine-du-Roy |
| Subdivision Type5: | TNO or Municipality |
| Subdivision Name5: | Lac-Ashuapmushuan and Saint-Félicien |
| Length: | 16km (10miles) |
| Source1: | Lake Eusèbe |
| Source1 Location: | Lac-Ashuapmushuan |
| Source1 Coordinates: | 48.6186°N -72.6222°W |
| Source1 Elevation: | 267m (876feet) |
| Mouth: | Ashuapmushuan River |
| Mouth Location: | Saint-Félicien |
| Mouth Coordinates: | 48.67°N -72.4775°W |
| Mouth Elevation: | 120m (390feet) |
| Progression: | Petite rivière Eusèbe, Ashuapmushuan River, Lac Saint-Jean, Saguenay River |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) Discharge from Lac du Repos, discharge from a small unidentified lake. |
The Carpe River is a tributary of Petite rivière Eusèbe, flowing in the unorganized territory of Lac-Ashuapmushuan and the municipality of Saint-Félicien, in the Le Domaine-du-Roy Regional County Municipality, in the administrative region of Saguenay–Lac-Saint-Jean, in the province from Quebec, to Canada.
This small valley is mainly accessible by Boulevard du Jardin (route 167).[1]
Agriculture is the main economic activity in this valley.
The surface of the Carp River is usually frozen from the beginning of December to the end of March, except the rapids areas; however, safe traffic on the ice is generally from mid-December to mid-March.
The Carpe river originates in Lake Eusèbe (length: ; altitude:) in the forest area in the western part of Saint-Félicien, in the unorganized territory of Lac-Ashuapmushuan. This source is located at:
From its source, the Carp River flows over with a drop of, crossing a few forest islets in the upper part, then agricultural for the rest of the course, according to the following segments:
The Carp river flows on the south bank of the Petite rivière Eusèbe. This confluence is located on the west side of Saint-Félicien, at:
From the mouth of the Carp river, the current descends successively the Petite rivière Eusèbe on, the current descends the course of the Ashuapmushuan River towards the southeast on, then crosses Lake Saint-Jean east on (ie its full length), follows the course of the Saguenay River via the Petite Décharge on eastwards to Tadoussac where it merges with the Estuary of Saint Lawrence.[2]
The toponym "rivière à la Carpe" was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.[3]