| Eaton River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Estrie |
| Subdivision Type4: | MRC |
| Subdivision Name4: | Le Haut-Saint-François Regional County Municipality |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Saint-Isidore-d'Auckland, Newport, Sawyerville, Cookshire-Eaton, East Angus |
| Length: | 43.5km (27miles) |
| Source1: | Mountain streams near the border |
| Source1 Location: | Saint-Isidore-d'Auckland |
| Source1 Coordinates: | 45.2351°N -71.3931°W |
| Source1 Elevation: | 550m (1,800feet) |
| Mouth: | Saint-François River |
| Mouth Location: | East Angus - Parc des deux Rivières |
| Mouth Coordinates: | 45.4723°N -71.6517°W |
| Mouth Elevation: | 180m (590feet) |
| Progression: | Saint-François River, Saint Lawrence River |
| Tributaries Left: | (upstream) ruisseau des Pope, ruisseau Birchton, ruisseau Sawyer, ruisseau Saxland, Clifton River, Première Branche de la rivière Eaton, Deuxième Branche de la rivière Eaton, Cours d'eau Thivierge |
| Tributaries Right: | (upstream) ruisseau Gendreau, ruisseau Gosselin, ruisseau Leclerc, Eaton North River, ruisseau Alder, cours d'eau Roy, ruisseau Chez Pérusse |
The Eaton River is a tributary of the Saint-François River which is a sub-tributary of the Saint Lawrence River. The Eaton River successively crosses the municipalities of Saint-Isidore-d'Auckland, Newport, Sawyerville, Cookshire-Eaton and East Angus. These municipalities are located in the Le Haut-Saint-François Regional County Municipality (MRC), in the administrative region of Estrie, in the south of Quebec, in Canada.
The main neighboring hydrographic slopes of the Eaton River are:
Many streams and different branches of the river originate near the crest of the northern White Mountains and meet on the flanks near the Quebec border and New Hampshire. Its watershed is 642km (399miles) its drop is .[1]
The small valley at the head of the Eaton River (located in Quebec) is a continuation of the valley of the "West Branch" of the Indian Stream flowing south into New Hampshire to go to discharge into the river Connecticut.
Course to Quebec from the border (segment of)
From ninth rang of Saint-Isidore-d'Auckland, on the border between Quebec and New Hampshire, the Eaton River flows north according to the following segments:
Course of the river downstream of the Clifton River (segment of)
From the confluence of the Clifton River, the Eaton River flows over:
Course downstream of the North Eaton River (segment of)
From the confluence of the North Eaton River, the Eaton River flows over:
The mouth of the Eaton River empties on the south bank of the Saint-Francois River in a river loop bypassing the town of East Angus.
The toponym "Eaton River" was made official on December 5, 1968, at the Commission de toponymie du Québec.[3]